Master of Homeland Security

Find the best masters in homeland security online degrees

When people hear the words “national security” they immediately think anti-terrorism efforts, but there are a plethora of other aspects to the subject. The Department of Homeland Security takes on many additional responsibilities in addition to their counterterrorism efforts. The Department of Homeland Security’s list of important topics includes border security, disaster preparedness, and even human trafficking prevention, among other issues that are highly relevant the United States’ wellbeing, and any other nation’s as well.

Twitter offers a powerful platform for people interested in every branch of homeland security to keep their fingers on the pulse of current issues. Twitter is the social media platform of choice for many professionals and organizations, including:

  • The Department of Homeland Security, Interpol, and other national and international organizations
  • Security reporters and journalists
  • Security and risk consultants
  • Anti-human-trafficking agencies
  • Disaster preparedness organizations and warning systems

Twitter offers an up to the minute stream of data from the most highly-informed people in homeland security. These accounts are worth watching for anyone hoping to stay in-the-know. They’re roughly categorized and listed by follower count within the categories, with the notable exception of a few governmental agencies that were bumped to the top. Enjoy, and stay informed!

National Security Organizations

National security organizations aren’t limited to official government agencies fighting terrorism. Many organizations working to thwart homeland security threats on a national or international scale can be found on Twitter.

  1. @DeptofDefense

    U.S. Dept of Defense

    This Twitter account is the official U.S. Department of Defense news account. It offers timely and accurate information about defense policies, organizations, functions and operations.
  2. @DHSgov

    Homeland Security

    The official Homeland Security Twitter account reports news and information regarding any Homeland Security issues. Issues range from airport safety to weather alerts.
  3. @dhsscitech

    Department of Homeland Security Science and Technology Directorate

    The DHS Science and Technology Directorate (S&T) is the primary research and development branch of the Department of Homeland Security and manages science and technology research to protect the homeland. Established by Congress to provide innovative solutions to the nation’s homeland security challenges, S&T is the core source of scientific and engineering expertise for the Department and uniquely postured to enhance our nation’s security and resiliency.
  4. @CDCemergency

    CDC Emergency

    CDC Emergency increases the nation’s ability to prepare for and respond to public health emergencies. They offer advice, support and help for anyone impacted by natural disasters
  5. @fema


    FEMA is the Federal Emergency Management Agency, a government devoted to planning and preparing for disasters across America. They have safety tips, disaster survivor assistance, and recovery efforts after an emergency.
  6. @SecretService

    U.S. Secret Service

    The U.S. Secret Service is mandated by Congress to not only protect the president and important members of government, but also to carry out criminal investigations. They report about impending and solved investigations, as well as any current advisories in Washington.
  7. @CustomsBorder


    U.S. Customs and Border Protection is the unified border agency charged with the management, control and protection of the United States borders. Their Twitter account posts about important trade laws, safe and legal traveling into Mexico and Canada, potential security issues, and upcoming job postings.
  8. @PacificCommand

    U.S. Pacific Command

    The U.S. Pacific Command (PACOM) is the senior U.S. military authority in the Asia-Pacific. Their main priority is maintaining security, stability and prosperity and protecting the global commons.
  9. @TSABlogTeam

    TSA Blog Team

    The purpose of this blog is to communicate with the public about all things TSA related. Check in regularly for tweets about travel tips and TSA updates.
  10. @natsecnet

    NS Network

    The National Security Network (NSN) is dedicated to developing innovative national security solutions that are both pragmatic and principled. They work with a broad network of experts to identify, develop and communicate progressive national security policy solutions.
  11. @wwwicegov


    The U.S. Immigration and Customs Enforcement (ICE) is the principal investigative arm of the U.S. Department of Homeland Security (DHS). The organization’s primary mission is to promote homeland security and public safety through the criminal and civil enforcement of federal laws governing border control, customs, trade and immigration.


    Interpol is an international police organization, connecting police forces across 190 countries. This level of connection and technology creates a high impact global presence and safer countries.
  13. @CNASdc


    The Center for New American Security regularly discusses defense policies and news. They post about employment opportunities, diplomatic relationships, and international security.
  14. @cyber


    Cybersecurity is the Department of Homeland Security’s (DHS) Twitter feed made specifically to keep the public updated on their efforts to protect cyberspace.
  15. @usnistgov


    NIST’s mission is to advance science, standards, and technology in ways that enhance economic security. Their Twitter account links to intelligence conference information, cloud computing research, and technology reports.
  16. @DC_HSEMA

    DC Homeland Security

    This group works to support and coordinate emergency management efforts for the District of Columbia. While the account is not monitored 24/7, they are an interactive resource for Twitter users in the DC area who have questions or need assistance.
  17. @CanBorder

    Border Services

    The official account for the Canada Border Services Agency regularly shares tips for safe and easy travel to and from Canada. They also share waiting times at ports of entries and customs procedures.
  18. @Citizen_Corps

    Citizen Corps

    Citizen Corps/Ready is FEMA’s grassroots strategy to bring together gov’t and community leaders to involve citizens in all-hazards preparedness and response. It is a national public service advertising (PSA) campaign designed to educate and empower Americans to prepare for and respond to emergencies including natural and man-made disasters. The goal of the campaign is to get the public involved and ultimately to increase the level of basic preparedness across the nation.
  19. @StaySafeOnline


    The National Cyber Security Alliance is a non-profit organization that empowers people to use the Internet safely. They share tips for avoiding scams, viruses, mobile hacking, and other cyber risks.
  20. @LLIS

    DHS Lessons Learned

    LLISl works alongside FEMA to encourage the sharing of ideas and learning about technology and security. They have a national platform for innovative ideas for the emergency management and homeland security.
  21. @Livermore_Lab


    Lawrence Livermore National Laboratory (LLNL) has a mission of strengthening the United States’ security through development and application of world-class science and technology to enhance the nation’s defense, reduce the global threat from terrorism and weapons of mass destruction and respond to scientific issues of national importance.
  22. @NSArchive


    The National Security Archive is an independent research institution that advocates for government openness as a key element to national security. They use FOIA to publish and share declassified documents
  23. @ODNIgov

    Office of the DNI

    DNI James Clapper oversees the U.S. Intelligence Community and serves as principal adviser to the President on intelligence issues related to national security. Their Twitter account reports on any national threats and regularly provides updates about new security measures being taken or considered by the department.
  24. @NNSANews

    National Nuclear Security Administration

    Their Twitter links to articles covering everything from tactical technologies to security software.
  25. @followFDD


    The Foundation for Defense of Democracies is an institution focusing on national security and foreign policy. They share political news from all over the world, like videos and leadership reports from the Middle East and U.S relations reports.
  26. @USDISA


    DISA, a Combat Support Agency, provides, operates, and assures command and control, information sharing capabilities, and a globally accessible enterprise information infrastructure in direct support to joint Warfighters, National level leaders, and other mission and coalition partners across the full spectrum of operations.
  27. @hslibrary

    Homeland Security DL

    The Homeland Security Digital Library is the nation’s premier collection of documents related to homeland security policy, strategy and organizational management. Their official Twitter account links to senate reports, research, and articles about security studies.
  28. @FLETC1


    FLETC serves as an interagency law enforcement training organization for 91 federal agencies. They FLETC train officers and agents from all federal departments and all three branches of government, working as an intregal part of Homeland Security.
  29. @DHSOIG


    The Department of Homeland Security (DHS) Act and Office of Inspector General (OIG) conduct and supervise independent audits, investigations, and inspections of the programs and operations of DHS, and recommend ways for DHS to carry out its responsibilities in the most effective, efficient, and economical manner possible. They seek to deter, identify and address fraud, abuse, mismanagement, and waste of taxpayer funds invested in Homeland Security.
  30. @PrepareAthon


    America’s PrepareAthon! is an action-based, nationwide campaign to increase emergency preparedness, readiness, and survival methods. They organize communities to participate in drills, discussions, and other exercises to grow in readiness for any disaster.
  31. @npsCHDS


    The NPS Center for Homeland Defense & Security is the nation’s premier provider of homeland security graduate and executive level education since 2002. They specialize in terrorism and security education programs.
  32. @Border_Security

    Border Security Expo

    The Border Security Expo is helps to serve the needs of those tasked with the challenge of protecting the borders of the United States. The expo expositions bring together hundreds of companies from all over the world that exhibit the latest products, technologies and solutions to help attendees advance their mission and careers.
  33. @NCBSI

    The National Center for Border Security and Immigration

    CBSI at the University of Texas at El Paso was founded in 2008 and is one of nine Centers of Excellence supported by the Department of Homeland Security in the US. They focus primarily on training, education, and applied research to assist the nation’s border security, customs, and immigration agencies.
  34. @statedept

    Department of State

    Through its Twitter, the Department of State offers broad public access to a wide range of information. It offers the public an alternative source to mainstream media for U.S. foreign policy information. This account also provides the opportunity for participants to discuss important foreign policy issues with senior Department officials.
  35. Top of Page

    Security News

    Security reporters keep the public informed about the latest threats, vulnerabilities, and actions related to homeland security.

  36. @jimsciutto

    Jim Sciutto

    Jim Scuitto is CNN’s Chief National Security correspondent. He shares national and international political and security breaking news with his followers.
  37. @bobgourley

    Bob Gourley

    Bob Gurley is a CTO and analyst. He follows the trends in national security and big data and works for a research organization.
  38. @PNNLNews

    PNNL News Team

    Pacific Northwest National Laboratory innovates in the areas of science, energy, environment, and national security. Their Twitter account shares articles, images, and facts from all of these areas as they are studied by PNNL.
  39. @signalmag

    SIGNAL Magazine

    Signal Magazine covers information security, intelligence, R&D, electronics, and homeland security topics.
  40. @timkmak

    Tim Mak

    Tim Mak is a Washington Examiner Congressional Correspondent. He works in DC reporting on national security and politics news, including gun laws, healthcare, terrorism, national threats, and war news.
  41. @GSNGovtSecNews

    Government Security

    This Twitter feed links to a Homeland security monthly, daily e-newsletter and Web. Their site offers informative videos, articles written by security experts, and even market sector news.
  42. @expertssecurity

    Security Experts

    Expert Security is comprised of a panel of insiders from National Journal, discussing key national security issues. They post political questions and issues, interviews with government officials, and security research articles.
  43. @timstarks

    Tim Starks

    Tim Starks is a national security team reporter at CQ Roll Call in Washington, DC. He regularly reports on politics at the national and global level.
  44. @victorcastillo


    Victor Castillo is a reporter and analyst based in McAllen, Texas, who discusses the US-Mexico Border and Homeland Security.
  45. @SecurityDebrief

    Security Debrief

    Security Debrief is dedicated to homeland security and counter-terrorism matters. Their blog discusses ideas like American leadership, international security, surveillance, and defense.
  46. @jascholtes

    Jennifer Scholtes

    Jennifer Scholtes is a reporter for CQ Homeland Security. She follows and reports on topics like immigration and border issues, human trafficking and terrorism both here and abroad.
  47. @robmargetta

    Rob Margetta

    As an editor at CQ Homeland Security, Rob Margetta regularly reports on matters of national security and political issues in the United States. He connects his readers to things like data and surveillance issues, as well as other important intelligence topics.
  48. @new_narrative

    Mike Walker

    Mike Walker is a former acting secretary of the army and deputy FEMA director. His Twitter account is his narrative on analyzing threats, managing hazards, countering radicalization and developing leaders.
  49. Top of Page

    Security Risk Consultants & Experts

    Professional consultants and experts with experience predicting events and analyzing risk are an important asset to the overall homeland security apparatus.

  50. @DrugWarAnalyst

    Sylvia Longmire

    Sylvia Longmire is a consultant and analyst on Mexico’s drug war and border security issues. She is an author as well as a political editor in Texas, where many border issues are brought to light.
  51. @ITGovernance

    IT Governance

    ITGovernance is a source for everything for cyber security, risk management and compliance. They share academic and business standards, books, tools, and offer training and consultancy.
  52. @craigatfema

    Craig Fugate

    Craig Fugate is a FEMA administrator. As his job is to help provide disaster relief to those affected across the country, he uses his Twitter account to share preparedness tips, weather alerts, and other security alerts.
  53. @AllHandsDotNet

    All Hands

    All Hands Consulting is focused on emergency management consulting. Their consultants and trainers help with emergency preparedness, homeland security and business continuity requirements.
  54. @ADSTactical

    ADS, Inc.

    ADS provides equipment and logistics support solutions to federal agencies in support of homeland security, government and protective services organizations. They regularly post their products, including eyewear and other environmental products.
  55. @jimmyblake

    James Blake

    James “Jimmy” Blake runs Hewlett Packard’s Security Intelligence & Operations Consulting practice across Europe, the Middle East and Africa. Jimmy’s main areas of interest within information security, which can be seen through his tweets, are in quantitative risk evaluation, threat visualization, control efficiency metrics, business-focused infosec management information and threat analytics.
  56. @TurnkeySAPGRC

    Turnkey Consulting

    Founded in 2004, Turnkey Consulting is a world leader in Security, Controls and Governance, Risk and Compliance (GRC) consulting for SAP software. Their tweets are updates from their management team.
  57. @Acumin

    Acumin Consulting

    The consultants at Acumin are specialists in the information sector, information security, governance and compliance and risk management. Not only do they post information technology jobs, they share important news about cyber security and information technology for anyone working in that field.
  58. @TwylaGarrett

    Twyla Garrett

    Twyla Garrett is a Senior Homeland security expert and White House business advisor. She regularly tweets about politics, business, and insights into important events.
  59. @mattdevost

    Matt Devost

    Matthew G. Devost is a technologist and international security expert. Based out of Washington, DC, he writes, researches, and reports on these issues.
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    State Security Organizations

    Each state in the U.S. has its own mandate to protect its citizens and keep them safe from local or national security threats.

  61. @NotifyNYC

    NYC OEM - Notify NYC

    Notify NYC is NYC’s official emergency notification system. They share alerts about school closures, severe weather, traffic accidents, and subway disruptions.
  62. @MassEMA


    The Massachusetts Emergency Management Agency provides disaster preparedness and recovery training and services, among a plethora of other services to keep the citizens of the state safe. State organizations like MEMA, working in tandem with national groups, are crucial parts of the American homeland security apparatus.
  63. @TxDPS

    Texas DPS

    This is the official Twitter feed of the Texas Department of Public Safety. Their goal is to protect the citizens of Texas in an ever changing threat environment while always remaining faithful to the U.S. and State Constitution.
  64. @COEmergency

    CO - Emergency Mgmt

    The Colorado emergency Twitter account shares information from Colorado Division of Homeland Security & Emergency Management. They report on the weather, potential flood situations, wildfires, and other important situations that residents should be prepared for.
  65. @MDMEMA


    The Maryland Emergency Management Agency was created by the Maryland legislature to ensure that the state is prepared to deal with large-scale emergencies. In times of crisis, this account helps share critical information with Twitter Alerts.
  66. @ReadyNJ

    NJ OEM

    NJ OEM is the official Twitter account for the New Jersey Office of Emergency Management. It provides New Jersey residents with updates on severe weather emergencies, local government and public safety news and internal updates.
  67. @Cal_OES

    Cal OES

    This Twitter account follows the official news of the California Governor’s Office of Emergency Services. They communicate information about weather emergencies, water conservation in times of drought, and emergency response readiness tips.
  68. @VDEM


    The Virginia Department of Emergency Management coordinates the Commonwealth’s response during disasters and emergencies. They share critical information about weather emergencies, offer advice on preparing families and communities for emergencies, and advise on any new emergency policies being implemented across the state.
  69. @IDHS

    IN Homeland Security

    Indiana Department of Homeland Security provides leadership for a safe and secure Indiana. They offer practical advice for dealing with and even preventing emergencies, share updates on any emergencies in the area, and answer citizen questions asked over Twitter.


    NYS DHSES works to provide solid safety tips to the public, including flood, driving, and weather safety. They also partner with NYALERT to offer local alerts and notifications to citizens.
  71. @T_E_M_A


    The Tennessee Emergency Management Agency (TEMA) is responsible for preparedness, response, mitigation and recovery from disasters. Their tweets list weather emergencies, government building office closings and weather preparedness tips.
  72. @FLSERT

    FL StateWatchOffice

    The Twitter account for the Florida Disaster preparedness website shares important information for managing disasters. The group helps families build disaster supply kits and form family emergency plans for crisis situations like hurricanes and other extreme weather.
  73. @MaineEMA


    Maine Emergency Management believes in four important stages of emergency management – mitigation, preparedness, response and recovery. They coordinate these efforts through strong state leadership, their Twitter account and website, and local efforts in their communities.
  74. @MnDPS_HSEM

    Minnesota HSEM

    The Division of Homeland Security and Emergency Management (HSEM) helps Minnesotans prevent, prepare for, respond to and recover from disasters and works to keep Minnesota secure from acts of terrorism. Tweets include details of the state’s weather conditions and provides links to and articles on security resources.
  75. @AlaskaDHSEM

    Alaska DHS&EM

    The Alaska Division of Homeland Security and Emergency Management serves to protect Alaska and its citizens against all hazards. They serve as a news resource for any disasters and also provide advice for disaster preparation and connect those who need assistance with the right resources.
  76. @PEMA591

    Providence EMA

    The official Twitter site for Providence Emergency Management Agency and Office of Homeland Security works to prepare residents for potential problems. They tweet flash flood warnings, share where to buy quake survival supplies, and detail the best apps to download to follow emergency weather.
  77. @WVDHSEM


    The West Virginia Division of Homeland Security and Emergency Management is the state-level emergency management agency that responds to disasters in WV. They report and advise on severe weather, cyber threats, or health crises.
  78. @waEMD


    The Emergency Management Division (EMD) seeks to minimize the impact of emergencies and disasters on the people property, environment, and economy of Washington State.
  79. @IowaHSEMD

    Iowa HSEMD

    Iowa HSEMD coordinates and supports homeland security and emergency management in Iowa. They help prepare families for emergencies through things like statewide tornado drills, emergency supply lists on their website, and an online newsletter.
  80. @Ohio_OHS


    Ohio Homeland Security believes that information is key to securing Ohio. Through their Twitter account and their website, they stay connected to their communities and help meet their goal of keeping their state and citizens safe and prepared.
  81. Top of Page


    Myriad surprising issues fall under the purview of homeland security, from human trafficking and border security to severe weather prediction. Homeland security organizations take these issues seriously as well, and there’s plenty to be learned about them on Twitter.

  82. @NHC_Atlantic

    Dr. Rick Knabb

    Dr. Rick Knabb is the Director at the National Hurricane Center. This is an experimental service to explore Twitter use to extend the reach of NWS information.
  83. @icct_thehague

    The International Centre for Counter Terrorism

    The International Centre for Counter-Terrorism offers political news from all over the globe. They focus on the preventative and international legal aspects of counter terrorism.
  84. @ctss_research

    Center for Terrorism & Security Studies

    A Twitter account dedicated to terrorism & security studies out of the University of Massachusetts. They regularly report new findings and calls for academics papers.
  85. @TheA21Campaign

    The A21 Campaign

    The A21 campaign works to abolish human trafficking on a global scale. They post their rescue attempts, fundraising activity, statistics, and global operations.
  86. @justiceandcare


    Justice and Care is an international organization that collaborates with law enforcement agencies and governments to prevent human trafficking, and prosecute those who attempt it. Transporting humans across borders illegally for unpaid labor is both a human rights violation and a national security issue, and Justice and Care is working to curb it on all fronts.


    Stop The Traffik is an international effort to curb human trafficking and slavery. The organization brings together local and global organizations dedicated to their cause, and provides resources for activists who want to become involved in eradicating the threat to freedom and safety that is imposed by the modern slave trade.
  88. @DCSMS


    DCSMS is an all-volunteer movement to end human trafficking and slavery. They post about their fundraising and awareness efforts and work to connect with those who are unaware of human trafficking around the world.
  89. @TrumanProject

    Truman Project

    The mission of the Truman National Security Project is to provide the skills, knowledge, and network to create an influential force of leaders across the country who advances strong progressive national security policy through advocacy initiatives, media appearances, and public service in elected and appointed office.
  90. @HumanityRoad

    Humanity Road

    Humanity Road is a volunteer based, internet based disaster response organization. Their tweets share the emergency of other states and countries, as well as the ongoing efforts and needs of their volunteer crews.
  91. @ShakeOut


    The ShakeOut movement began as earthquake drills in California and are now used globally. Their Twitter account includes drill tips, earthquake safety ideas, and breaking earthquake news.
  92. @NationalVOAD

    National VOAD

    The National Voluntary Organizations Active in Disaster (VOAD) is a nonprofit, membership-based organization that serves as the forum where organizations share knowledge and resources throughout the disaster cycle—preparation, response and recovery —to help disaster survivors and their communities. Their account keeps you up-to-date about latest happenings.
  93. @HSPI

    GW Homeland Security

    The George Washington University Homeland Security Policy Institute is a nonpartisan organization. They regularly tweet about security issues reported from around the country, as well as the findings and details of their research against terrorism.
  94. @preventia

    Preventia Ltd

    Preventia is a leading supplier of compliancy-based Information Security solutions and services. They provide consultancy for compliancy-based information security management systems for clients ranging from multi-nationals to governmental bodies.
  95. @START_UMD

    START Consortium

    START is committed to the study of human behavior and consequences of terrorism in the U.S. and around the world. They regularly post about historic terrorism events and link to articles about personal and community after effects of these attacks, as well as research positions for their important work.
  96. @DU_HTC


    The Human Trafficking Center at the Josef Korbel School of International Studies (of the University of Denver) provides professional research, writing & policy advocacy on human trafficking, forced labor & modern slavery. Their tweets are mainly news articles regarding human trafficking and policies.
  97. @MDCHHS

    U of MD CHHS

    The University of Maryland Center for Health & Homeland Security is a non-profit consulting firm that works side-by-side with top emergency responders. They help to develop plans and strategies that can be enacted on a local or large scale to ensure the safety of citizens in the face of any catastrophe.
  98. @augmentiq


    AUGMENTIQ delivers innovation and strategic advice to enhance security at airports, ports and international borders. They are an independent consultancy practice specializing in aviation, transportation and border security.
  99. @bordernewsnet

    Border News Network

    The Borders News Network is an online information source for government officials responsible for border security, customs enforcement and immigration around the globe. This site covers border news and security issues from countries all over the world.
  100. @mtanji

    Michael Tanji

    This Twitter account is run by a former soldier and former intelligence officer. He provides commentary on the war on terrorism, cyber security, and other military issues.
  101. @stopthnkconnect

    Stop. Think. Connect.

    STOP. THINK. CONNECT. is a campaign that builds awareness about online safety. It is a joint effort between industry, government and nonprofits to help everyone stay safe on the Internet.
  102. @domprep

    Domestic Preparedness

    Domestic Preparedness is an online journal that covers every topic concerning emergencies and disasters. They post both advice and research in the areas of nuclear disasters, extreme weather, health epidemics, and natural disasters.
  103. @readygov

    ReadyGov is a leading resource in helping families prepare for problems. They help families understand where to meet, what to pack, where to go, and where to get additional detailed information in the event of an emergency.
  104. @urbanareas

    Urban Areas is a public news source for the Urban Areas Security Initiative and Homeland Security. Their site focuses on emergency management, homeland security news, cyber-security, and related news.

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