If you enjoy our newsletter, please consider to be a paid subscriber to help us keep more news and updates coming out.
Notice: The Book Report Q4, 2025 is available! Download here.
Highlights
Claude Code SecurityLeak Confidential EmailsPaypal BreachNew Delhi CommitmentQuantum Banking Sector
Deep Dive
Claude Code Security Anthropic
Found 500+ open-source vulnerabilities
Reasons like human security researchers
Fixed bugs hidden for decades
Human approval required for patches
Powered by Claude Opus 4.6
Summarize confidential emails Bleeping Computer
Bug detected January 21, 2026
Tracked under ID CW1226324
Bypassed sensitive DLP policies
Summarized confidential Draft folders
Worldwide fix deployed February 19
Affected Microsoft 365 Copilot
Paypal Breach TheRegister
100 customers’ personal info leaked
Five-month window of exposure
Unauthorized transactions fully refunded
Two years free monitoring provided
Coding error caused data leak
New Delhi Commitments Politico
88 countries endorsed new declaration
Recognized the importance of security in AI
No binding safety rules included
AI democratization prioritized over safety
Supported global open-source AI access
UN warns against billionaire control
Quantum Banking Sector McKinsey
Q-Day threatens current security
Fraud detection spots complex patterns
Quantum money prevents forgery
PQC offers near-term protection
QKD ensures long-term security
Plan a three-year quantum strategy





![[Available] Book Report Q3, 2025](https://substackcdn.com/image/fetch/$s_!HI5v!,w_140,h_140,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F62b0655a-9a73-4382-8201-d9007269e7ad_900x900.jpeg)








