THE KNOWNSEC LEAK: Yet Another Leak of China’s Contractor-Driven Cyber-Espionage Ecosystem

Leaked internal documents show Knownsec operates as a state-aligned cyber contractor supplying a vertically integrated espionage stack—ZoomEye/TargetDB reconnaissance, o_data_* identity correlation, GhostX/Un‑Mail exploitation and mailbox takeover, and Passive Radar PCAP-based internal mapping—to Chinese public‑security, military, and regulator customers. The corpus includes organizational charts, employee emails, high‑confidence IOCs targeting Taiwanese critical infrastructure, and detailed tradecraft emphasizing persistence, anti‑forensics, and APT‑style operational workflows. #Knownsec #GhostX

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The Great Container Disconnect: A Security Leader’s Mandate for Prevention in 2026

Container-first infrastructure is now standard, with microservices powering production workloads and driving digital innovation, but security frameworks struggle to keep pace, contributing to an 82% container breach rate reported in the latest ActiveState report. Adopting secure, trusted open source from dedicated providers can cut CVEs by 60-99% and reclaim up to 30% of developer time, by starting secure and staying secure over time. #ActiveState #CVE

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North Korean PurpleBravo Campaign Targeted 3,136 IP Addresses via Fake Job Interviews

This article discusses the Contagious Interview campaign linked to North Korean threat actor PurpleBravo, which has targeted over 3,000 IP addresses across multiple sectors in various regions. It highlights the use of malicious code, fake job offers, and sophisticated infrastructure to conduct cyber espionage and financial theft, emphasizing the vulnerabilities in…

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PurpleBravo’s Targeting of the IT Software Supply Chain

Recorded Future / Insikt Group documents PurpleBravo, a North Korean-linked campaign that uses fraudulent developer/recruiter personas and malicious GitHub repositories to deliver infostealers and multi-platform RATs (BeaverTail, GolangGhost/PylangGhost, InvisibleFerret) targeting software developers—especially in the cryptocurrency sector and South Asia. The report details obfuscated JavaScript (Base64 + XOR), RC4/MD5 C2 protocols, registry Run-key persistence, Chrome credential-theft techniques (including DPAPI and app-bound bypasses), extensive C2 infrastructure (dozens of IPs and Astrill VPN nodes), and overlap with PurpleDelta activity. #PurpleBravo #BeaverTail

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Inside MacSync’s Script-Driven Stealer and Hardware Wallet App Trojanization | CloudSEK

Researchers discovered a ClickFix-style macOS lure (macclouddrive.com/s2) that tricks users into pasting a Terminal one-liner which downloads a daemonized Zsh stager that executes a remote AppleScript to harvest browser credentials, Keychain data, crypto wallets, and other sensitive files. The campaign uses the MacSync infostealer with rotating jmpbowl.* C2 domains and conditionally trojanizes Electron wallet apps (Ledger Wallet.app, Trezor Suite.app) to capture PINs and recovery phrases for long-term phishing. #MacSync #jmpbowl

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From Forgotten Tool to Powerful Pivot: Using JA3 to Expose Attackers’ Infrastructure 

JA3 TLS fingerprints are still useful as durable, tool-level behavioral indicators that can reveal new malicious tooling and enable clustering of related activity when enriched with context. ANY.RUN shows how JA3 frequency analysis and TI Lookup link specific JA3 hashes to malware and exfiltration channels, e.g., Remcos and Skuld. #Remcos #Skuld…

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Chainlit AI Framework Flaws Enable Data Theft via File Read and SSRF Bugs

Security vulnerabilities in the open-source AI framework Chainlit, known as ChainLeak, can lead to data leaks and lateral movement within organizations. These flaws, addressed in version 2.9.4, highlight the growing security risks associated with AI infrastructure and third-party components. #Chainlit #ChainLeak #CVEs #AIvulnerabilities #ServerSideRequestForgery…

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