Crypto-Gram Newsletter
Crypto-Gram is a free monthly e-mail digest of posts from Bruce Schneier’s Schneier on Security blog.
Recent Issues
November 15, 2025
In this issue:
- Apple’s Bug Bounty Program
- Cryptocurrency ATMs
- A Surprising Amount of Satellite Traffic Is Unencrypted
- Agentic AI’s OODA Loop Problem
- A Cybersecurity Merit Badge
- Failures in Face Recognition
- Serious F5 Breach
- Part Four of The Kryptos Sculpture
- First Wap: A Surveillance Computer You’ve Never Heard Of
- Louvre Jewel Heist
- Social Engineering People’s Credit Card Details
- Signal’s Post-Quantum Cryptographic Implementation
- The AI-Designed Bioweapon Arms Race
- Will AI Strengthen or Undermine Democracy?
- AI Summarization Optimization
- Cybercriminals Targeting Payroll Sites
- Scientists Need a Positive Vision for AI
- Rigged Poker Games
- Faking Receipts with AI
- New Attacks Against Secure Enclaves
- Prompt Injection in AI Browsers
- On Hacking Back
- Book Review: The Business of Secrets
- The Role of Humans in an AI-Powered World
- Upcoming Speaking Engagements
October 15, 2025
In this issue:
- Lawsuit About WhatsApp Security
- Microsoft Still Uses RC4
- Hacking Electronic Safes
- Time-of-Check Time-of-Use Attacks Against LLMs
- Surveying the Global Spyware Market
- Details About Chinese Surveillance and Propaganda Companies
- Apple’s New Memory Integrity Enforcement
- US Disrupts Massive Cell Phone Array in New York
- Malicious-Looking URL Creation Service
- Digital Threat Modeling Under Authoritarianism
- Abusing Notion’s AI Agent for Data Theft
- Details of a Scam
- Use of Generative AI in Scams
- Daniel Miessler on the AI Attack/Defense Balance
- AI in the 2026 Midterm Elections
- AI-Enabled Influence Operation Against Iran
- Flok License Plate Surveillance
- Autonomous AI Hacking and the Future of Cybersecurity
- AI and the Future of American Politics
- Rewiring Democracy is Coming Soon
- The Trump Administration’s Increased Use of Social Media Surveillance
- Upcoming Speaking Engagements
September 15, 2025
In this issue:
- Trojans Embedded in .svg Files
- Eavesdropping on Phone Conversations Through Vibrations
- Zero-Day Exploit in WinRAR File
- Subverting AIOps Systems Through Poisoned Input Data
- Jim Sanborn Is Auctioning Off the Solution to Part Four of the Kryptos Sculpture
- AI Agents Need Data Integrity
- I’m Spending the Year at the Munk School
- Poor Password Choices
- Encryption Backdoor in Military/Police Radios
- We Are Still Unable to Secure LLMs from Malicious Inputs
- The UK May Be Dropping Its Backdoor Mandate
- Baggage Tag Scam
- 1965 Cryptanalysis Training Workbook Released by the NSA
- Indirect Prompt Injection Attacks Against LLM Assistants
- Generative AI as a Cybercrime Assistant
- GPT-4o-mini Falls for Psychological Manipulation
- My Latest Book: Rewiring Democracy
- AI in Government
- Signed Copies of Rewiring Democracy
- New Cryptanalysis of the Fiat-Shamir Protocol
- A Cyberattack Victim Notification Framework
- Upcoming Speaking Engagements
Sidebar photo of Bruce Schneier by Joe MacInnis.