Daily Tech News Digest: AWS's $50B AI Bet, Perplexity Security Flaws, and Quantum Breakthroughs

Perplexity’s Comet AI Browser Faces Serious Security Vulnerability Allegations Perplexity’s Comet AI browser is facing significant scrutiny over alleged security vulnerabilities. Security researchers from SquareX claim to have discovered a hidden API that could allow attackers to execute arbitrary code on a user’s device, potentially leading to data theft or a full system compromise. Perplexity has vehemently denied these claims, labeling them as “fake news” and stating that no such vulnerability exists. This controversy follows previous security warnings from Brave and Guardio regarding other issues with Comet, including prompt injection vulnerabilities that could manipulate the AI into performing unintended actions. ...

November 25, 2025 · 5 min · 920 words · Omer