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ttps_attack:T1557 × victim_sectors:technology × limpar

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aikido.dev · high

eMudhra CA compromise: eight intermediate CA private keys trivially guessable (one is the number 4), non-browser clients still trust them

eMudhra, an India-based certificate authority trusted by major root programs, generated the private keys of eight intermediate CA certificates (issued April 2025) so poorly that each key is below 256, and one is the number 4. A researcher known as Wayne reported the compromise to the root programs on 17 October 2026, proving it by signing…

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…

huntress.com · medium

Business email compromise (BEC): tactics, warning signs and defensive guidance, with $55B in reported global losses

Huntress published an explainer on business email compromise (BEC), a targeted form of phishing in which attackers impersonate or take over trusted email accounts to redirect payments or steal credentials. The article cites roughly $55 billion in worldwide losses and a Huntress survey of 500+ US IT professionals, in which 36% of organizat…

bleepingcomputer.com · medium

Sponsored analysis: stolen GitHub tokens, ClickFix lures for Claude Code and help desk vishing enable data theft within minutes

A vendor-sponsored analysis by Exaforce (published on bleepingcomputer.com) says attackers are enumerating or exfiltrating data within about 15 minutes of gaining access. It describes three patterns: stolen developer GitHub OAuth tokens, ClickFix lures that impersonate Claude Code install instructions to deliver a macOS stealer, and help …

thehackernews.com · · 2 fontes · 2 atualizações high

Attackers hijack 300+ Tor exit relays to intercept SSH password logins and deploy Ebury 1.8.3 backdoor

Attackers took over more than 300 Tor exit relays in early October 2026 and changed their exit policies so SSH (TCP port 22) traffic was redirected to 12 attacker-controlled interception servers that harvested passwords and attempted to install the Ebury 1.8.3 backdoor. Researcher kaba found 333 redirecting exits (roughly 10% of about 3,0…

thehackernews.com · high

GhostAction operators phish GitHub maintainers and plant font-disguised stealer in 94 repositories

The threat actor behind the GhostAction supply chain campaign has expanded beyond malicious GitHub Actions workflows. According to OpenSourceMalware, it now phishes open-source maintainers and plants a second-stage credential stealer disguised as a font file. The shift appears to follow GitHub's October 9 block on the malicious workflow, …