Crypto-Gram Newsletter

Crypto-Gram is a free monthly e-mail digest of posts from Bruce Schneier’s Schneier on Security blog.

Recent Issues

May 15, 2026

In this issue:

  1. Defense in Depth, Medieval Style
  2. Human Trust of AI Agents
  3. Mythos and Cybersecurity
  4. Is "Satoshi Nakamoto" Really Adam Back?
  5. Mexican Surveillance Company
  6. ICE Uses Graphite Spyware
  7. FBI Extracts Deleted Signal Messages from iPhone Notification Database
  8. Hiding Bluetooth Trackers in Mail
  9. Medieval Encrypted Letter Decoded
  10. What Anthropic’s Mythos Means for the Future of Cybersecurity
  11. Claude Mythos Has Found 271 Zero-Days in Firefox
  12. Fast16 Malware
  13. A Ransomware Negotiator Was Working for a Ransomware Gang
  14. Hacking Polymarket
  15. DarkSword Malware
  16. Rowhammer Attack Against NVIDIA Chips
  17. Smart Glasses for the Authorities
  18. Insider Betting on Polymarket
  19. LLMs and Text-in-Text Steganography
  20. Copy.Fail Linux Vulnerability
  21. OpenAI’s GPT-5.5 is as Good as Mythos at Finding Security Vulnerabilities
  22. How Dangerous Is Anthropic’s Mythos AI?
  23. Upcoming Speaking Engagements

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April 15, 2026

In this issue:

  1. Possible New Result in Quantum Factorization
  2. South Korean Police Accidentally Post Cryptocurrency Wallet Password
  3. Meta’s AI Glasses and Privacy
  4. Hacking a Robot Vacuum
  5. Proton Mail Shared User Information with the Police
  6. Microsoft Xbox One Hacked
  7. Team Mirai and Democracy
  8. Sen. Wyden Warns of Another Section 702 Abuse
  9. As the US Midterms Approach, AI Is Going to Emerge as a Key Issue Concerning Voters
  10. Apple’s Camera Indicator Lights
  11. Inventors of Quantum Cryptography Win Turing Award
  12. A Taxonomy of Cognitive Security
  13. Is "Hackback" Official US Cybersecurity Strategy?
  14. Possible US Government iPhone Hacking Tool Leaked
  15. US Bans All Foreign-Made Consumer Routers
  16. Company that Secretly Records and Publishes Zoom Meetings
  17. Google Wants to Transition to Post-Quantum Cryptography by 2029
  18. New Mexico’s Meta Ruling and Encryption
  19. Hong Kong Police Can Force You to Reveal Your Encryption Keys
  20. Cybersecurity in the Age of Instant Software
  21. Python Supply-Chain Compromise
  22. On Microsoft’s Lousy Cloud Security
  23. Sen. Sanders Talks to Claude About AI and Privacy
  24. AI Chatbots and Trust
  25. On Anthropic’s Mythos Preview and Project Glasswing
  26. How Hackers Are Thinking About AI
  27. Upcoming Speaking Engagements

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March 15, 2026

In this issue:

  1. The Promptware Kill Chain
  2. Side-Channel Attacks Against LLMs
  3. AI Found Twelve New Vulnerabilities in OpenSSL
  4. Malicious AI
  5. Ring Cancels Its Partnership with Flock
  6. On the Security of Password Managers
  7. Is AI Good for Democracy?
  8. Poisoning AI Training Data
  9. LLMs Generate Predictable Passwords
  10. Phishing Attacks Against People Seeking Programming Jobs
  11. Why Tehran’s Two-Tiered Internet Is So Dangerous
  12. LLM-Assisted Deanonymization
  13. On Moltbook
  14. Manipulating AI Summarization Features
  15. Hacked App Part of US/Israeli Propaganda Campaign Against Iran
  16. Israel Hacked Traffic Cameras in Iran
  17. Claude Used to Hack Mexican Government
  18. Anthropic and the Pentagon
  19. New Attack Against Wi-Fi
  20. Jailbreaking the F-35 Fighter Jet
  21. Canada Needs Nationalized, Public AI
  22. iPhones and iPads Approved for NATO Classified Data
  23. Academia and the "AI Brain Drain"
  24. Upcoming Speaking Engagements

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Sidebar photo of Bruce Schneier by Joe MacInnis.