Latest cybersecurity reporting from selected sources.

Also: Spanish Hacker Granted Russian Asylum, Microsoft Patches Zero-DaysThis week, a CISA warning, Nest footage in Nancy Guthrie case, Signal phishing. Spanish hacker, Russian asylum. Spanish ministry services offline. BYOVD ransomware. The Conduent breach hit Volvo. Microsoft patched zero-days. ZeroDayRAT targeted devices. The SmarterMail breach. Another Fortinet flaw.

Also, Microsoft Badly Patches LNK Flaw, Australian Sentenced for 'Evil Twin' HackThis week, the React flaw, a belated Windows fix, Defense Secretary Pete Hegseth's Signal group posed operational risk, more North Korean npm packages. An Australian jailed for Wi-Fi "evil twin" crimes. The US FTC will send $15.3 million to Avast users. A London council said attackers stole data.

Chinese Hackers Target European Diplomats with LNK File FlawChinese nation-state hackers are exploiting a Windows vulnerability to hack European diplomatic outposts, say security researchers - but operating system giant Microsoft says the flaw doesn't merit a patch. Hackers used a flaw already compromised by North Korea and Russia.

A Chinese hacking group is deploying Warlock ransomware on Microsoft SharePoint servers vulnerable to widespread attacks targeting the recently patched ToolShell zero-day exploit chain. [...]

Also, Oracle Denies Cloud Breach, Blames Hack on Obsolete ServersThis week, Port of Seattle notified victims, Oracle blamed hack on obsolete servers, Google and Microsoft released April patches, WK Kellogg breached, six arrested in Spain for AI-investment scam, Scattered Spider's "King Bob" pleaded guilty, SmokeLoader users busted.

The threat actors behind the zero-day exploitation of a recently-patched security vulnerability in Microsoft Windows have been found to deliver two new backdoors called SilentPrism and DarkWisp

Also: Intensified Russian Hacking in Ukraine, Spain's Telefónica Confirms BreachThis week, Microsoft laid off security staff and released Patch Tuesday, Russian hackers intensified attacks on Ukraine in 2024, Telefónica confirmed a breach, a Tennessee mortgage leader reported a breach and the Texas AG sued Allstate over driver data collection.

Researcher Demonstrates Bitpixie Attack Tactics to Extract Encryption KeyA previously patched flaw in Windows BitLocker disk encryption feature is susceptible to attacks allowing hackers to decrypt information, new research has found. Security researcher Thomas Lambertz extracted data from the system memory, including the master key.

​CISA has ordered U.S. federal agencies to secure their systems against a recently patched Windows MSHTML spoofing zero-day bug exploited by the Void Banshee APT hacking group. [...]

ALSO: Viasat hack wiper malware is back, users are the number one cause of data loss, and critical vulns Infosec in brief If your Windows domain controllers have been crashing since a security update was installed earlier this month, there's no longer any need to speculate why: Microsoft has admitted it introduced a memory leak in its March patches and fixed the issue.…

Uninstall the update or edit the Windows registry to restore order The latest Windows Server 2022 patch has broken the Chrome browser, and short of uninstalling the update, a registry hack is the only way to restore service for affected users.…

It’s taken months for crims to hack together a working exploit chain Security experts claim ransomware criminals have got their hands on a functional exploit for a nearly year-old critical Microsoft SharePoint vulnerability that was this week added to the US's must-patch list.…

VMware patched today a VMware ESXi zero-day vulnerability exploited by a Chinese-sponsored hacking group to backdoor Windows and Linux virtual machines and steal data. [...]

Microsoft has patched an Outlook zero-day vulnerability (CVE-2023-23397) exploited by a hacking group linked to Russia's military intelligence service GRU to target European organizations. [...]

What's better? Disclose early, patch fast? Or dig deep, disclose in full, patch more slowly?

Vulnerable internet-facing Microsoft SQL (MS SQL) Servers are being targeted by threat actors as part of a new campaign to deploy the Cobalt Strike adversary simulation tool on compromised hosts