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China-Linked TA416 Targets European Governments with PlugX and OAuth-Based Phishing

China-Linked TA416 Targets European Governments with PlugX and OAuth-Based Phishing

A China-aligned threat actor has set its sights on European government and diplomatic organizations since mid-2025, following a two-year period of minimal targeting in the region. The campaign has been attributed to TA416, a cluster of activity that overlaps… 

Microsoft Details Cookie-Controlled PHP Web Shells Persisting via Cron on Linux Servers

Microsoft Details Cookie-Controlled PHP Web Shells Persisting via Cron on Linux Servers

Ravie LakshmananApr 03, 2026Linux / Server Hardening Threat actors are increasingly using HTTP cookies as a control channel for PHP-based web shells on Linux servers and to achieve remote code execution, according to findings from the… 

UNC1069 Social Engineering of Axios Maintainer Led to npm Supply Chain Attack

UNC1069 Social Engineering of Axios Maintainer Led to npm Supply Chain Attack

Ravie LakshmananApr 03, 2026Threat Intelligence / Malware The maintainer of the Axios npm package has confirmed that the supply chain compromise was the result of a highly-targeted social engineering campaign orchestrated by North Korean threat actors… 

New SparkCat Variant in iOS, Android Apps Steals Crypto Wallet Recovery Phrase Images

New SparkCat Variant in iOS, Android Apps Steals Crypto Wallet Recovery Phrase Images

Ravie LakshmananApr 03, 2026Mobile Security / Threat Intelligence Cybersecurity researchers have discovered a new version of the SparkCat malware on the Apple App Store and Google Play Store, more than a year after the trojan was discovered targeting… 

Drift Loses 5 Million in Durable Nonce Social Engineering Attack Linked to DPRK

Drift Loses $285 Million in Durable Nonce Social Engineering Attack Linked to DPRK

Solana-based decentralized exchange Drift has confirmed that attackers drained about $285 million from the platform during a security incident that took place on April 1, 2026. “Earlier today, a malicious actor gained unauthorized access to Drift… 

Hackers Exploit CVE-2025-55182 to Breach 766 Next.js Hosts, Steal Credentials

Hackers Exploit CVE-2025-55182 to Breach 766 Next.js Hosts, Steal Credentials

Ravie LakshmananApr 02, 2026Vulnerability / Threat Intelligence A large-scale credential harvesting operation has been observed exploiting the React2Shell vulnerability as an initial infection vector to steal database credentials, SSH private keys, Amazon Web Services (AWS) secrets, shell command… 

Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise

Cisco Patches 9.8 CVSS IMC and SSM Flaws Allowing Remote System Compromise

Ravie LakshmananApr 02, 2026Network Security / Vulnerability Cisco has released updates to address a critical security flaw in the Integrated Management Controller (IMC) that, if successfully exploited, could allow an unauthenticated, remote attacker to bypass authentication… 

Pre-Auth Chains, Android Rootkits, CloudTrail Evasion & 10 More Stories

Pre-Auth Chains, Android Rootkits, CloudTrail Evasion & 10 More Stories

Ravie LakshmananApr 02, 2026Cybersecurity / Hacking News The latest ThreatsDay Bulletin is basically a cheat sheet for everything breaking on the internet right now. No corporate fluff or boring lectures here, just a quick and honest look… 

Researchers Uncover Mining Operation Using ISO Lures to Spread RATs and Crypto Miners

Researchers Uncover Mining Operation Using ISO Lures to Spread RATs and Crypto Miners

Ravie LakshmananApr 02, 2026Cryptomining / Malware A financially motivated operation codenamed REF1695 has been observed leveraging fake installers to deploy remote access trojans (RATs) and cryptocurrency miners since November 2023. “Beyond cryptomining, the threat actor monetizes infections through CPA (Cost…