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wired.com · · 2 fontes · 2 atualizações high

GhostShares: Meta Muse AI share links expose ~6,800 private chats via passive DNS; Meta suspends sharing

Researchers at Claroc disclosed GhostShares, a design flaw in Meta's Muse AI assistant that lets anyone discover shared conversations through passive DNS. Muse share links use the domain cf.metaaiusercontent.com and embed the conversation title and a random identifier in the hostname. Once a browser resolves the name, passive DNS sensors …

wired.com · low

Canada's Bill C-22 would mandate encryption access and metadata retention, prompting Signal and Psiphon to threaten to exit

Canada's proposed C-22 bill, first put forward in 2025 and since partly revised, would require tech companies, including foreign ones, to introduce "technical capabilities" for law enforcement data access. It would also require retention of user metadata. Signal has said it would exit the Canadian market, and Psiphon VPN says it will leav…

sentinelone.com · high

Weekly CTI roundup: Ryuk access broker sentenced, TraderTraitor FLATROOF/ROOFDECK macOS backdoors, AI-agent skimming of 600K cards

This SentinelOne weekly roundup (Week 39, 2026) covers one law enforcement success and two active threat campaigns. A US court sentenced Armenian national Karen Serobovich Vardanyan ("Maneeken"/"Karl Lagerfeld"), an initial access specialist for Ryuk ransomware, to two years in prison and over $1.2 million in restitution. SentinelLABS ide…

thehackernews.com · high

Fake Web3 'Apex Accelerator' (REF8801) uses malicious npm packages to deploy stealers, CloudSyncD backdoor and hijack AI agent traffic

Elastic Security Labs is tracking REF8801, a campaign in which a fake Web3 venture capital accelerator, Apex Accelerator (Apex Foundation), targets cryptocurrency startups and founders with malicious npm packages. The packages, @apexacc/cli and @apexacc/audit, pose as an AI advisor and an MCP-based security scanner, with offers of free Cl…

securityaffairs.com · · 3 fontes · 3 atualizações high

Pegasus zero-click spyware confirmed on Belgrade University rector's iPhone days before Serbia's election; prosecutor also targeted

Citizen Lab, working with the SHARE Foundation, confirmed with high confidence that the iPhone of Vladan Đokić, rector of the University of Belgrade and a prominent supporter of Serbia's student-led anti-corruption protests, was infected with NSO Group's Pegasus in 2026 through a zero-click exploit (thehackernews.com, securityaffairs.com,…

blog.checkpoint.com · medium

Q3 2026 brand phishing: Microsoft hits 33% of impersonation; lures target Claude, Antigravity, Apple, Docusign users

Check Point Research's Q3 2026 Brand Phishing Report finds Microsoft was the most impersonated brand, at 33% of all attempts (up from 23% in Q2) and roughly four times the share of any other brand. Apple, Google, LinkedIn and Amazon completed the top five, together accounting for more than half of attempts. Dropbox (up ten places to eight…

safedep.io · · 8 fontes · 9 atualizações critical

eMudhra: eight intermediate CA keys trivially recoverable (values below 256); browsers, Go, Apple, Microsoft block them; non-browser clients remain exposed

Eight intermediate CA certificates of the Indian certificate authority eMudhra (emSign brand), generated on 30 April 2025, were found to have P-384 private keys so weak (integers below 256) that anyone can recover them from the public certificates and forge browser-trusted certificates for any domain. A researcher credited as Wayne report…