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Windows 10 Cumulative Updates KB4549951 & KB4549949 Released

Patch Tuesday April 2020 Updates are now rolling out to all supported versions of Windows 10 and paid customers of Windows 7. The cumulative update with security fixes is rolling out to PCs with November 2019 Update, May 2019 Update and October 2018 Update. [...]

https://www.bleepingcomputer.com/news/microsoft/windows-10-cumulative-updates-kb4549951-and-kb4549949-released/
RagnarLocker ransomware hits EDP energy giant, asks for €10M

Attackers using the Ragnar Locker ransomware have encrypted the systems of Portuguese multinational energy giant Energias de Portugal (EDP) and are now asking for a 1580 BTC ransom ($10.9M or €9.9M). [...]

https://www.bleepingcomputer.com/news/security/ragnarlocker-ransomware-hits-edp-energy-giant-asks-for-10m/
Microsoft April 2020 Patch Tuesday fixes 4 zero-days, 15 critical flaws

With the release of the April 2020 security updates, Microsoft has released fixes for 113 vulnerabilities in Microsoft products. Of these vulnerabilities, 15 are classified as Critical, 93 as Important, 3 as Moderate, and 2 as Low. Four of these vulnerability are classified as zero-days as they were publicly disclosed or exploited. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-april-2020-patch-tuesday-fixes-4-zero-days-15-critical-flaws/
Microsoft Office April security updates fix critical RCE bugs

Microsoft released the April 2020 Office security updates on April 14, 2020, with a total of 55 security updates and 5 cumulative updates for 7 different products, and patching 5 critical bugs allowing attackers to run scripts as the current user and remotely execute arbitrary code on unpatched systems. [...]

https://www.bleepingcomputer.com/news/security/microsoft-office-april-security-updates-fix-critical-rce-bugs/
Exploit for Zoom Windows zero-day being sold for $500,000

An exploit for a zero-day remote code execution vulnerability affecting the Zoom Windows client is currently being sold for $500,000, together with one designed to abused a bug in the video conferencing platform's macOS client. [...]

https://www.bleepingcomputer.com/news/security/exploit-for-zoom-windows-zero-day-being-sold-for-500-000/
Hackers steal WiFi passwords using upgraded Agent Tesla malware

Some new variants of the Agent Tesla info-stealer malware now come with a dedicated module for stealing WiFi passwords from infected devices, credentials that might be used in future attacks to spread to and compromise other systems on the same wireless network. [...]

https://www.bleepingcomputer.com/news/security/hackers-steal-wifi-passwords-using-upgraded-agent-tesla-malware/
Microsoft: Trickbot in hundreds of unique COVID-19 lures per week

TrickBot is, at the moment, the malware showing up in the highest number of unique COVID-19 related malicious emails and attachments delivered to potential victims' inboxes based on Microsoft's Office 365 Advanced Threat Protection (ATP) data. [...]

https://www.bleepingcomputer.com/news/security/microsoft-trickbot-in-hundreds-of-unique-covid-19-lures-per-week/