WH Denies Classified Information Shared in Signal Chat
MSNBC | March 26, 2025
Glenn joins MSNBC’s Katy Tur and The Atlantic’s Tom Nichols to discuss the fallout from the Signal chat between top U.S. national security officials.
From Gaza to TikTok: Navigating the Year’s First Security Challenges
ABA National Security Law Today Podcast | January 22, 2025
“As 2025 unfolds, the new administration faces its first major national security challenges: preserving a fragile ceasefire in the Middle East and addressing the contentious TikTok legal battle. In this week’s double episode, Elisa first speaks with Brian Egan, former Legal Adviser at the Department of State, to unpack the Gaza ceasefire, the role of international negotiations, and its potential for fostering regional stability. Next, Glenn Gerstell, former General Counsel of the NSA, returns to examine the Supreme Court opinion against TikTok, exploring how ByteDance’s refusal to divest has heightened national security concerns and why the Court’s decision could reshape data privacy laws in the U.S.…”
Up to Apple and Google if they want to keep TikTok on their app stores, says NSA’s Gerstell
CNBC | January 17, 2025
Glenn joins ‘Squawk on the Street’ to discuss Gerstell’s perspective on the TikTok situation.
Supreme Court Weighs Whether TikTok Ban Violates Free Speech
CNN | January 10, 2025
Glenn joins CNN’s Jim Sciutto and tech policy analyst Tim Bernard to discuss the arguments presented before the Supreme Court on the pending ban of Chinese-owned TikTok.
China’s cyber escalation: Experts urge caution as sophisticated hacks threaten security
World Radio: The World and Everything in It podcast | January 9, 2025
Glenn weighs in on the recent Chinese hacks of the U.S. Treasury Department and U.S. telecom companies: “If you think of a burglar breaking into your house and then sort of tracing the steps and dusting it back so you can’t figure out the footprints or fingerprints. Well, they did the cyber equivalent of that in a very, very sophisticated way…”
TikTok’s Legal Challenges: National Security, Data, and Foreign Influence with Glenn Gerstell
ABA National Security Law Today Podcast | December 17, 2024
“TikTok’s growing influence and its connections to national security remain hot topics in Washington. This week, Elisa sits down with Glenn Gerstell, former General Counsel of the National Security Agency, to examine the legal battles surrounding TikTok, including a recent D.C. Circuit Court ruling. Together, they unpack the implications of foreign adversary laws, ByteDance’s defense strategies, and how platforms like TikTok could be weaponized for influence operations—from Romania’s elections to emerging AI developments…”
It’s not just TikTok. You probably use lots of Chinese technology.
Washington Post, The Tech Friend Newsletter | December 10, 2024
“…it’s no wonder the United States treats Chinese technology like a game of whack-a-mole, as Sen. Mark R. Warner (D-Va.) said last year. When an influential politician gets worried about a particular Chinese company like Temu, TikTok or TP-Link, it can become an urgent priority — but maybe just for a few days. ‘We sense there’s a problem but we don’t know what to do about it,’ said Glenn Gerstell…”
China is a ‘very serious national security threat’: Fmr. NSA general counsel on TikTok
MSNBC | December 6, 2024
“U.S. officials say Chinese hackers breached American’s phone data and that they continue to maintain access to American telecom networks. Former NSA General Counsel Glenn Gerstell joins Andrea Mitchell to discuss this and an appeals court upholding a law enforcing TikTok either be sold or banned…’”
Chinese Cyber-Espionage Campaign: Major U.S. Telecom Companies Breached
CNN Newsroom | November 23, 2024
“Glenn joins CNN’s Jim Sciutto to discuss the impact and implications of what the chairman of the Senate Intelligence Committee calls the ‘worst telecom hack in our nation’s history.’”
Elon Musk’s reported contact with Putin is ‘very concerning,’ says fmr. NSA general counsel Gerstell
CNBC | October 25, 2024
“Glenn joins CNBC’s ‘Money Movers’ to discuss Elon Musk’s reported contact with Vladimir Putin, how such contact should be reported to the government, and more…”
The Crowdstrike outage showed the vulnerability of the cloud
NPR Weekend Edition | July 27, 2024
“Experts say the services companies like Crowdstrike supply are in the hands of too few providers that are themselves too interconnected…”
America and Allies: North Korean Hackers Stole Military Secrets
Alhurra | July 26, 2024
“North Korean hackers have carried out a global cyber espionage campaign in an attempt to steal classified military secrets to support Pyongyang’s banned nuclear weapons program, the United States, Britain and South Korea said in a joint memo…What are the risks of this hacking operation and its impact on those who were hacked? How will Washington respond?…”
Glenn Gerstell Discusses the Broad Impact of the Cloudstrike Cyber Attack
CNN | July 20, 2024
“At least in terms of the number of people affected, in terms of their personal life, their commercial life, this is probably going to be the single biggest computer incident, in terms of overall effect…”
Global IT outage ‘may be biggest cyber incident ever’: Gerstell
NewsNation | July 19, 2024
“Glenn Gerstell, the National Security Agency’s former general counsel, said the global tech outage highlights how ‘we’ve let vulnerabilities creep into the system.’ Cybersecurity firm CrowdStrike said it has identified and is fixing the ‘defect’ in a software update it deployed to Microsoft Windows customers, one that crashed hundreds of thousands of computers overnight and crippled airlines, hospitals, banks and other businesses around the world. ‘One of those big vulnerabilities is concentration,’ Gerstell said Friday during an appearance on NewsNation’s ‘The Hill.’ ‘This may well turn out to be, in terms of the actual impact on people’s lives, the biggest cyber and computer incident ever…’”
Conservatives derailing Foreign Surveillance Act could be dangerous for U.S. national security
MSNBC | April 11, 2024
“The Republican revolt in the House, driven by Donald Trump, is putting a critical U.S. surveillance tool, FISA section 702, in jeopardy. Andrea Mitchell is joined by Ryan Nobles and former National Security Agency General Counsel Glenn Gerstell to discuss the path to passing FISA.…”
AT&T says data of 73 million customers leaked on dark web
CNN | March 31, 2024
“AT&T has launched an investigation into the source of a data leak that includes personal information of 73 million current and former customers. Former general counsel at the National Security Agency Glenn Gerstell joins CNN’s Omar Jimenez to discuss…”
Biden admin warns of hackers targeting US water systems
NewsNation | March 20, 2024
“The Biden administration is warning U.S. governors that hackers are targeting water and wastewater systems from coast to coast. The letter, released Tuesday by National Security Advisor Jake Sullivan and Environmental Protection Agency Administrator Michael Regan, warned all 50 governors they need to be proactive in boosting their digital defenses. Glenn S. Gerstell, former general counsel of the National Security Agency (NSA), joined ‘NewsNation Now’ to discuss…”
Is the clock ticking on TikTok?
CNN, Fareed Zakaria, GPS | March 17, 2024
Fareed hosts a spirited debate on the House bill that could lead to a US ban on TikTok, with the American Enterprise Institute’s Kori Schake and Glen Gerstell, former general counsel for the National Security Agency. They discuss national-security risks the Chinese-owned app might pose given its many American users.
Trump’s TikTok flip-flop
CNN, Fareed Zakaria, GPS | March 17, 2024
Fareed talks with Kori Schake, director of foreign and defense policy studies at the American Enterprise Institute, and senior adviser at the Center for Strategic & International Studies Glenn Gerstell about the politics and legalities of a potential US ban on TikTok — and why former President Donald Trump reversed his position on the issue.
BabyBus: Is the TikTok for toddlers gobbling your personal data?
The Morning Brief podcast, Economic Times | January 18, 2024
“Letting your child play with educational apps while you finish chores seems like a win-win. But what if those ‘fun’ & ‘entertaining’ games were secretly collecting your private information? That’s the unsettling truth behind BabyBus, a popular Chinese app developer among kids, as a recent data privacy report highlighted. BabyBus apps have been labeled as among the most ‘data hungry’ in the world. So, how did they skip the ban list after TikTok? And what exactly is at stake when it comes to data collection, especially by foreign companies?…”
Congress postpones spy tool reforms amid stark disagreements
Scripps News | December 14, 2023
Former National Security Agency general counsel Glenn Gerstell is one of dozens of retired intelligence officials trying to protect Section 702. “It’s the single most important operational statute for America’s spy agency,” said Gerstell.
FISA 702 at Stake: Congressional Clash Over Surveillance Authority
ABA, National Security Law Today Podcast | December 12, 2023
The clock is ticking fast for reauthorization of FISA Section 702. With several proposed bills on the table and lack of consensus within Congress, the fate of this surveillance tool is at this time unclear. This week, host Elisa is joined by Glenn Gerstell and Adam Hickey to discuss the security value of Section 702, its strengths and weaknesses, and how clashing views behind privacy and data collection are shaping the conversation.

Casino and Hotel Giants Caesars and MGM Hit by Hackers
CNN | September 16, 2023
Glenn discusses the recent hacks of casinos, the risks to their businesses and their customers, and the state of their cybersecurity defenses.
DHS Report: Teens Breached Some of Tech’s Biggest Firms
CNN | August 12, 2023
Glenn discusses the recent hacks of tech firms and the Internet’s vulnerabilities.
What U.S. security risks could the Mar-a-Lago documents have created?
NPR | June 14, 2023
NPR’s Ari Shapiro speaks with former on the security risks of mishandled classified documents and if over-classifying documents puts sensitive intel at greater risk.

Montana Bans Social Media App Over Security Concerns
CNN | May 20, 2023
Glenn and CNN’s Paula Reid discuss Montana’s controversial ban of TikTok, making it the first state to ban the social media application.

FBI: Billing Records for Discord Led to ID of Pentagon Leak Suspect
FOX News | April 16, 2023
Glenn discusses how the classified documents leak by a National Guardsman happened and how it might damage U.S. national security.

Suspect Charged in Case Involving Leaked Classified Military Documents
MSNBC | April 15, 2023
Glenn talks with MSNBC’s Jonathan Capehart about the charges against the National Guardsman in the leaked classified documents case.
Friend Says Pentagon Docs Leaker Worked at Military Base
CNN | April 13, 2023
Glenn talks with CNN’s Kate Bolden about the leaked classified documents by a member of the Massachusetts Air National Guard.
U.S. Lawmakers Grill TikTok CEO over Privacy Concerns
CNN | March 24, 2023
Glenn talks with CNN’s John Vause about the congressional hearing on TikTok.
TikTok said all the right things but Congress wasn’t listening, think tank says
CNBC | March 24, 2023
Glenn says the congressional hearing “produced lots of fireworks and not a lot of illumination.”

TikTok ban would be bad policy and precedent, says former NSA general counsel
CNBC | March 22, 2023
Glenn joins CNBC’s “Squawk on the Street” to discuss upcoming congressional testimony from the TikTok CEO.
U.S. Spending Bill Includes Ban on TikTok for all Federal Devices
CNN | December 31, 2022
Glenn discusses the TikTok ban as it affects government-owned devices of state and federal government employees, the prospects for an outright ban of TikTok in the United States, and security considerations all TikTok users should keep in mind.
Secrets about Iran, China among Mar-a-Lago Docs
MSNBC | October 21, 2022
Glenn talks with Chris Hayes about a Washington Post report on highly sensitive intelligence retrieved by the Department of Justice from former President Trumps’s Florida residence.
What does antitrust legislation mean for security?
R Street Institute | September 30, 2022
Antitrust legislation has had no shortage of attention on Capitol Hill. While the broader policy implications of the two main bills—the American Innovation and Choice Online Act and the Open App Markets Act—have been widely debated, security and related implications have not received as much attention. Specifically, there is a need to focus on the stakes for national security, cybersecurity, privacy and online disinformation. The legislation is not directly related to these topics at every turn, but they still have a serious impact on American security and privacy.
Trump Team Opposes Disclosing Which Documents Were Classified
CNN | September 20, 2022
As the deadline approaches for former President Trump to respond to the Department of Justice request to keep reviewing material found at his Mar-a-Lago residence, Glenn discusses what to expect next.
The National Security Impact of the Mishandled Documents
MSNBC | September 7, 2022
Glenn and Olivia Troye, Homeland Security advisor to former Vice President Pence, discuss U.S. intelligence community concerns amid revelations of classified material found at former President Trump’s Mar-a-Lago property.

DOJ Releases Redacted Mar-a-Lago Search Warrant Affidavit
CNN | August 27, 2022
Glenn joins Michael Zeldin, former Special Assistant at the Department of Justice, to discuss details of and implications from the redacted Mar-a-Lago search warrant affidavit.

Key Revelations from Redacted Mar-a-Lago Affidavit
MSNBC | August 26, 2022
Glenn joins Dayna Perry, former Deputy Chief of the Criminal Division of the Southern District of New York, to dissect the redacted Mar-a-Lago search warrant affidavit.

Judge May Release Redacted Mar-a-Lago Search Warrant Affidavit
CNN | August 19, 2022
Glenn joins former federal prosecutor Jennifer Rogers to discuss the the search warrant affidavit at the center of the Department of Justice investigation of materials found at former President Trump’s Florida property.

Trump’s Legal Troubles
WHYY, Radio Times | August 18, 2022
The investigation into Trump’s alleged mishandling of classified documents is just one of several legal probes he is facing. A district attorney in Georgia is investigating efforts to overturn the 2020 election results, there are criminal and civil inquiries into Trump’s business in New York and the investigation into the January 6th insurrection is ongoing. This hour, the latest on Trump’s legal troubles starting with the Mar-a-Lago search and the jeopardy he could be facing. But first, a former NSA lawyer explains how government secrets are classified and how they are supposed to be handled.

Judge Hears Arguments on Unsealing Mar-a-Lago Affidavit
CNN | August 18, 2022
Glenn joins former Deputy Director of the FBI, Andrew McCabe, to discuss the issues around unsealing the affidavit at the center of the Department of Justice investigation of materials found at Mar-a-Lago.
Trump Claims he Declassified Any Docs Removed from Oval
MSNBC “The Last Word with Lawrence O’Donnell” | August 15, 2022
Glenn clarifies the facts around the Presidential power to declassify documents as it relates to the Department of Justice investigation of materials found at former President Trump’s Mar-a-Lago residence.
The documents the FBI searched in Mar-a-Lago don’t hinge on being classified
NPR | August 15, 2022
As former President Donald Trump’s explanation continues to evolve for why he had classified documents at his Mar-a-Lago home coming up on a year and seven months after he left the White House, so too have the questions evolved about his handling of those documents.
DOJ Removes 11 Sets of Classified Documents from Mar-a-Lago
CNN | August 13, 2022
Glenn and national security analyst Juliette Kayyem discuss the Department of Justice’s investigation into material retrieved from former President Trump’s Florida property, Mar-a-Lago.
TECH & Competition: Conversation with Glenn Gerstell
SIAA | June 28, 2022
SIIA Senior Vice President Global Public Policy Paul Lekas talks with cyber security expert Glenn Gerstell about the impact of the the American Innovation and Choice online Act (S.2992).
A Perspective on Russian Cyberattacks and Disinformation
Wall Street Journal | June 21, 2022
“Glenn Gerstell, a senior advisor at the Center for Strategic and International Studies and former general counsel of the National Security Agency, was interviewed at a Wall Street Journal event in San Francisco in front of a live audience. The discussion focused on Russian cyberattacks against Ukraine and Russia’s use of disinformation. Highlights of the discussion follow.”
The threat of Russian cyberwar
Today Explained podcast, Vox | April 18, 2022
“Russia is ramping up attacks on Ukraine’s digital infrastructure. The US could be next.”
Assessing the Threat of Cyberwarfare in Ukraine
TaiwanPlus News | March 17, 2022
“As the war in Ukraine unfolds, there are questions on whether Russia is planning a cyberspace attack. TaiwanPlus reporter Yin Khvat speaks to Glenn Gerstell at CSIS, the Center for Strategic International Studies — who was also general counsel of the United States’ National Security Agency — to find out more.”

What Makes New Yorkers Vulnerable to Russia’s Cyber Attacks?
Metrofocus | March 16, 2022
“Last week, NYPD Deputy Commissioner of Intelligence & Counterterrorism John Miller joined state and city lawmakers in sounding the alarm, telling New Yorkers to be on the lookout for cyberattacks.”
Spy agencies’ leaks of Russian plans point to the future of information warfare, Sen. Warner say
Cyberscoop | March 14, 2022
“The use of information warfare in Ukraine is a harbinger of the future in which conflicts will be shaped by information before a single shot is fired, said Glenn Gerstell, a senior adviser in the international security program at CSIS.”
How worried should we be about Russian cyberattacks?
Popular Science | March 13, 2022
“One way to gauge what potential Russian attacks could look like is to analyze past events. ‘We know from what Russia has done in the past, what they’re capable of,’ says Glenn Gerstell, former General Counsel of the United States National Security Agency from 2015 to 2020. ‘And they’ve used Ukraine as a little bit of their cyber punching bag, so to speak.’”
‘We are not ready’: a cyber expert on US vulnerability to a Russian attack
The Guardian | March 11, 2022
“We spoke with Glenn S Gerstell, a senior adviser at the Center for Strategic and International Studies and the former general counsel of the National Security Agency, about the likelihood of serious cyber warfare – and whether the US is prepared to respond. ‘If we had approached this correctly 20 years ago, we would be largely invulnerable to cyber-attacks,’ he said. ‘But unfortunately that is not the case.‘”
U.S. Warns of Cyberattacks Amid Ukraine Invasion
CNN | February 26, 2022
Satellite Images Show Russian Ground Forces Heading for Positions Close to Ukraine Border
CNN | February 21, 2022
Pentagon: Russia Following its “Playbook” with Ukraine
CNN | January 30, 2022
Biden Moves to Secure U.S. Water Systems from Cyberattacks
CNN | January 29, 2022
The FTC Jumps Into Log4j Cleanup With One Foot
Lawfare, The Cyberlaw Podcast | January 13, 2022
Joining Cyberlaw Podcast host Stewart Baker, and fellow guests Tatyana Bolton and Mark MacCarthey, Glenn Gerstell gives a tour of China’s tech regulatory landscape, and the remarkable decline in the fortunes of consumer tech firms in that country…covers the latest story about security risks and telecom gear from China…explains the charges brought in China against Walmart for breaches of cybersecurity laws…and covers the announcement by Lloyd’s of London that cyber insurance won’t cover cyberattacks attributable to nation-states.
Constitutional Values and the Rule of Law in the AI Era: Confronting a Changing Threat Landscape
The Berkman Klein Center for Internet & Society | September 24, 2021
This event was part of a three-part symposium on Security, Privacy, and Innovation: Reshaping Law for the AI Era. The second session of the symposium focused on how AI-enabled technologies are changing the threat landscape and consider safeguards needed to protect constitutional values and the rule of law more broadly. An expert legal panel considered issues such as the adequacy of the Fourth Amendment in the AI era; the unique equities and issues raised by government use of AI in the intelligence, law enforcement, and border security contexts; and growing concerns around algorithmic bias, biometric technologies, deep fakes, malign information, and other AI-enabled cyber activities, and the need for regulation to address these challenges.
Allies, Enemies, and the Homefront Part 1: The National Security Implications of Antitrust
National Security Institute | August 26, 2021
The first of a four-part series hosted by the National Security Institute (NSI) examining the national security implications of antitrust challenges at home and abroad. This first event provides an introduction of domestic and international antitrust laws, examine the role of the U.S. tech industry in promoting U.S. national security and economic interests, including providing historical frameworks leading up to the current call by U.S. lawmakers to introduce antitrust lawsuits to protect consumers here in the United States.
Kaseya Ransomeware Attack — a Sign of Things to Come
CNN | July 6, 2021
Glenn Gerstell discusses the Kaseya ransomware attack and its implications.
Fmr. NSA General Counsel: Cyberattacks are a ‘huge problem’
MSNBC | June 7, 2021
Former NSA general counsel Glenn Gerstell joins Andrea Mitchell to discuss the wave of recent cyberattacks, and what the U.S. should do to combat them.
USAID Hack: Former NSA Official Calls U.S. Cyber Insecurity A ‘Chronic Disease’
NPR | May 30, 2021
NPR’s Michel Martin speaks with Glenn Gerstell, the former general counsel for the National Security Agency, about the recent cyberattack that Microsoft says targeted government agencies.
The Cybersecurity 202: The Defense Department isn’t armed to combat the growing threat of information warfare, experts warn
Washington Post | April 30, 2022
“National security experts will warn Congress today that the U.S. government isn’t doing enough to fight back against the growing national security threat of information warfare aimed at sowing distrust in the U.S. government at home and abroad…”
After A Major Hack, U.S. Looks To Fix A Cyber ‘Blind Spot’
NPR Morning Edition | April 6, 2021
“No one had reason to be suspicious, or the legal authority to monitor, as that software update was sent out electronically from SolarWinds to 18,000 organizations, including nine U.S. government agencies…”
The Tech Threat Matrix: Disinformation, Cybersecurity, and Geopolitics with Glenn Gerstell, former NSA General Counsel
The Burn Bag Podcast | April 5, 2021
“We begin the conversation by getting Glenn’s thoughts on why he believes that online disinformation is a national security threat, why cyber-propelled disinformation is very different from the spread of ‘old-fashioned’ propaganda, and whether the 2020 Election’s disinformation was primarily bolstered by Russia or domestic actors…”
Fmr. top NSA lawyer on how to fight the national security threat of disinformation online
MSNBC | February 18, 2021
Glenn joins Andrea Mitchell to talk about actions that need to be taken to stop the spread of misinformation online, including about vaccines. “For many, many years anti-vaccination websites have enjoyed a field day on Facebook for quite some time, fueling their falsehoods about the efficacy of vaccines.”
Former NSA General Counsel: “America’s Elections are More Secure than you Think”
CNN New Day | November 1, 2020
Gerstell talks with CNN New Day’s Christi Paul about election security and disinformation two days before the November 3 general election.