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 »

Microsoft Overhauls Security Leadership as AI Expands Enterprise Attack Surface

Microsoft brings back Hayete Gallot to lead Security while Charlie Bell moves to an engineering quality mandate, both reporting to CEO Satya Nadella. The post Microsoft Overhauls Security Leadership... 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 »

CISA confirms exploitation of VMware ESXi flaw by ransomware attackers

CVE-2025-22225, a VMware ESXi arbitrary write vulnerability, is being used in ransomware campaigns, CISA confirmed on Wednesday by updating the vulnerability’s entry in its Known Exploited Vulnerabilities (KEV) catalog.... Read more »

OpenAI Frontier organizes AI agents under one system

OpenAI introduced Frontier, a platform designed to organize AI agents that perform business tasks within internal systems and workflows. The platform connects data from multiple internal systems including customer... Read more »

When Cloud Outages Ripple Across the Internet

Recent major cloud service outages have been hard to miss. High-profile incidents affecting providers such as AWS, Azure, and Cloudflare have disrupted large parts of the internet, taking down... Read more »

International sting shuts down illegal streaming empire serving millions

Actions by authorities from Italy, Romania, Spain, the United Kingdom, Canada, Kosovo and South Korea, supported by Eurojust and Europol, led to the seizure of multiple illegal streaming services.... Read more »

Why a decade-old EnCase driver still works as an EDR killer

Attackers are leaning on a new EDR killer malware that can shut down 59 widely used endpoint security products by misusing a kernel driver that once shipped with Guidance... Read more »

European Officials Warn of Russian Satellites Intercepting Communications

Russian Luch “inspector” satellites are suspected of shadowing European GEO spacecraft, raising fears of interception, jamming, and orbital risk. The post European Officials Warn of Russian Satellites Intercepting Communications... Read more »

Varonis Acquires AllTrue to Strengthen AI Security Capabilities

The deal underscores a broader industry shift as security vendors race to address the risks introduced by LLMs, copilots, and autonomous AI agents. The post Varonis Acquires AllTrue to... Read more »
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