Hacker claims theft of data from 700,000 Substack users; Company confirms breach

Substack confirmed a data breach after a hacker leaked data from nearly 700,000 users, including email addresses and phone numbers. Substack is an online platform for publishing email‑based newsletters... Read more »

Pro-Russian group Noname057(16) launched DDoS attacks on Milano Cortina 2026 Winter Olympics

Italy stopped Russian-linked cyberattacks targeting Foreign Ministry offices and Winter Olympics websites and hotels, Foreign Minister Tajani said. Italy has thwarted a series of Russian-linked cyberattacks aimed at Foreign... Read more »

China-linked Amaranth-Dragon hackers target Southeast Asian governments in 2025

China-linked hackers tracked as Amaranth-Dragon targeted government and law enforcement agencies across Southeast Asia in 2025. CheckPoint says China-linked threat actors, tracked as Amaranth-Dragon, carried out cyber-espionage campaigns in... Read more »

CVE-2025-22225 in VMware ESXi now used in active ransomware attacks

Ransomware groups now exploit VMware ESXi vulnerability CVE-2025-22225, patched by Broadcom in March 2025. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) confirms that ransomware gangs are exploiting the... Read more »

Taiwanese operator of Incognito Market sentenced to 30 years over $105M darknet drug ring

A Taiwanese man was sentenced to 30 years for running Incognito Market, a major darknet drug site that sold over $105 million in illegal drugs. Rui-Siang Lin (24) was... Read more »

Paris raid on X focuses on child abuse material allegations

French prosecutors raided X offices in Paris over illegal content; Elon Musk and CEO summoned for voluntary interviews in April. French prosecutors, with France’s National Gendarmerie and Europol support,... Read more »

GreyNoise tracks massive Citrix Gateway recon using 63K+ residential proxies and AWS

GreyNoise spotted a dual-mode Citrix Gateway recon campaign using 63K+ residential proxies and AWS to find login panels and enumerate versions. Between Jan 28 and Feb 2, 2026, GreyNoise... Read more »

Microsoft: Info-Stealing malware expands from Windows to macOS

Microsoft warns info-stealing attacks are expanding from Windows to macOS, using cross-platform languages like Python and abusing trusted platforms. Microsoft warns info-stealing attacks are rapidly expanding from Windows to... Read more »

U.S. CISA adds SolarWinds Web Help Desk, Sangoma FreePBX, and GitLab flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds SolarWinds Web Help Desk, Sangoma FreePBX, and GitLab flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency... Read more »

Hackers abused React Native CLI flaw to deploy Rust malware before public disclosure

Hackers exploit a critical React Native CLI flaw (CVE-2025-11953) to run remote commands and drop stealthy Rust malware, weeks before public disclosure. Attackers are actively exploiting a critical flaw... Read more »
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