Microsoft warns of Exchange zero-day flaw exploited in attacks
On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users.
Hackers exploit auth bypass flaw in Burst Statistics WordPress plugin
Hackers are leveraging a critical authentication bypass vulnerability in the WordPress plugin Burst Statistics to obtain admin-level access to websites.
A critical vulnerability in Funnel Builder by FunnelKit threatens more than 40,000 WooCommerce checkouts. Sansec is observing active exploitation, with attac...
White House cyber official: identity security matters more than ever in the age of AI | CyberScoop
White House and agency officials warn that AI is supercharging "smash-and-grab" cyberattacks. Here’s why federal leaders are shifting resources to identity security to repel AI-driven exploits.
Pentagon cyber official calls advanced AI ‘revolutionary warfare’ | CyberScoop
Pentagon official Paul Lyons warns advanced AI like Anthropic’s Mythos will "fundamentally change warfare." Despite supply chain disputes, the Department of War is leveraging these frontier models to hunt for critical infrastructure vulnerabilities at "revolutionary" speed and scale.
Cisco warns of new critical SD-WAN flaw exploited in zero-day attacks
Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices.
OpenAI confirms security breach in TanStack supply chain attack
OpenAI says two employees' devices were breached in the recent TanStack supply chain attack that impacted hundreds of npm and PyPI packages, causing the company to rotate code-signing certificates for its applications as a precaution.
In this week’s newsletter, Martin reflects on what the next iteration of AI tools means for vulnerability discovery and our ability to manage large-scale patch releases.
Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities
Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage.
Kazuar: Anatomy of a nation-state botnet | Microsoft Security Blog
Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for years and continues to evolve in support of espionage-focused operations. Over time, Kazuar has expanded from a relatively traditional backdoor into a highly modular peer-to-peer (P2P) botnet ecosystem designed to enable persistent, covert access to target environments.
Upcoming Speaking Engagements - Schneier on Security
This is a current list of where and when I am scheduled to speak: I’m giving a virtual talk on “The Security of Trust in the Age of AI,” hosted by the Financial Women’s Association of New York, at 6:00 PM ET on May 21, 2026. I’m speaking at the Potsdam Conference on National Cybersecurity at the Hasso Plattner Institut in Potsdam, Germany. The event runs June 24–25, 2026, and my talk will be the evening of June 24. I’m speaking at the Digital Humanism Conference in Vienna, Austria, on Tuesday, June 26, 2026. I’m speaking at the ...
When configuration becomes a vulnerability: Exploitable misconfigurations in AI apps | Microsoft Security Blog
Exposed UIs, weak authentication, and risky defaults could turn cloud-native AI apps on Kubernetes into potential targets by threat actors. Learn how exploitable misconfigurations lead to RCE and data leaks.
Cyber-Enabled Cargo Crime: How Cybercrime Tradecraft is Used to Steal Freight
Cargo theft now starts with phishing emails and stolen credentials, not hijackings, to reroute and steal freight from supply chains. NMFTA outlines how cyber-enabled cargo crime is changing transportation security.