Turla Turns Kazuar Backdoor Into Modular P2P Botnet for Persistent Access | Cybersecurity
Ravie LakshmananMay 15, 2026Botnet / Threat Intelligence The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer (P2P) botnet that’s engineered for…
Read moreWhat 45 Days of Watching Your Own Tools Will Tell You About Your Real Attack Surface | Cybersecurity
The Hacker NewsMay 15, 2026Endpoint Security / Threat Detection In Your Biggest Security Risk Isn’t Malware — It’s What You Already Trust, we made a simple argument: the most dangerous…
Read moreOn-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email | Cybersecurity
Ravie LakshmananMay 15, 2026Microsoft / Vulnerability Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild….
Read moreUSB stick opens Windows BitLocker drives in new zero-day | News World
An unnamed security researcher using the monikers “Nightmare-Eclipse” and “Chaotic Eclipse” has published a simple bypass for Microsoft’s disk encryption technology BitLocker on Windows, using a memory stick with specially…
Read moreCisco Catalyst SD-WAN Controller Auth Bypass Actively Exploited to Gain Admin Access | Cybersecurity
Ravie LakshmananMay 14, 2026Vulnerability / Network Security Cisco has released updates to address a maximum-severity authentication bypass flaw in Catalyst SD-WAN Controller that it said has been exploited in limited…
Read moreDeepfake sextortion forces schools to remove student photos from websites | Malware
Schools love a good photo, whether it’s from a trip to a castle, a science prize ceremony, or sports day shot from three angles. For two decades, celebratory images like…
Read moreThreatsDay Bulletin: PAN-OS RCE, Mythos cURL Bug, AI Tokenizer Attacks, and 10+ Stories | Cybersecurity
Ravie LakshmananMay 14, 2026Hacking News / Cybersecurity News Everything is still on fire. This week feels dumb in the worst way — bad links, weak checks, fake help desks, shady…
Read moreWhy Malwarebytes blocks some Yahoo Mail redirects | Malware
Some Malwarebytes users have recently noticed frequent web protection alerts while reading email in Yahoo Mail’s web interface. These alerts are caused by background connections from the Yahoo Mail page…
Read morePraisonAI CVE-2026-44338 Auth Bypass Targeted Within Hours of Disclosure | Cybersecurity
Ravie LakshmananMay 14, 2026Vulnerability / API Security Threat actors have been observed attempting to exploit a recently disclosed security vulnerability in PraisonAI, an open-source multi-agent orchestration framework, within four hours…
Read moreNew Fragnesia Linux Kernel LPE Grants Root Access via Page Cache Corruption | Cybersecurity
Ravie LakshmananMay 14, 2026Vulnerability / Linux Details have emerged about a new variant of the recent Dirty Frag Linux local privilege escalation (LPE) vulnerability that allows local attackers to gain…
Read moreMicrosoft’s MDASH AI System Finds 16 Windows Flaws Fixed in Patch Tuesday | Cybersecurity
Ravie LakshmananMay 13, 2026Vulnerability / Artificial Intelligence Microsoft has unveiled a new multi-model artificial intelligence (AI)-driven system called MDASH to facilitate vulnerability discovery and remediation at scale, adding that it’s…
Read moreTexas sued Netflix over claims it secretly collected and sold users’ data | Malware
Attorney General (AG) of Texas Ken Paxton announced that he sued Netflix for spying on Texans, including children, and collecting users’ data without their knowledge or consent. The suit alleges…
Read moreMicrosoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE Flaws | Cybersecurity
Microsoft on Tuesday released patches for 138 security vulnerabilities spanning its product portfolio, although none of them have been listed as publicly known or under active attack. Of the 138…
Read moreMay 2026 Patch Tuesday: no zero-days but plenty to fix | Malware
This month’s Patch Tuesday remedies 137 security vulnerabilities, including 31 marked critical by Microsoft, with no zero-days actively exploited in the wild. Microsoft defines a zero-day as “a flaw in software for which…
Read moreStolen Canvas data was “returned” after hacker agreement, Instructure says | Malware
The Instructure/Canvas data breach that has dominated cybersecurity coverage recently has reached a new stage. Millions of students had personal data stolen, with extortion group ShinyHunters claiming credit for the…
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