Microsoft Patch Tuesday, February 2021 Edition

Microsoft today rolled out updates to plug at least 56 security holes in its Windows operating systems and other software. One of the bugs is already being actively exploited, and six of them were publicized prior to today, potentially giving attackers a head start in figuring out how to exploit the flaws. Continue reading Microsoft Patch Tuesday, February 2021 Edition

Critical MobileIron RCE Flaw Under Active Attack

Attackers are targeting the critical remote code-execution flaw to compromise systems in the healthcare, local government, logistics and legal sectors, among others. Continue reading Critical MobileIron RCE Flaw Under Active Attack

CISA and FBI Observed APT Groups Targeting State Networks Related to US Election Systems

The Cybersecurity and Infrastructure Security Agency (CISA) and the FBI issued an advisory after spotting advanced persistent threat (APT) actors exploiting multiple legacy vulnerabilities combined with a newer privilege escalation vulnerability—CVE-20… Continue reading CISA and FBI Observed APT Groups Targeting State Networks Related to US Election Systems

Detecting Zerologon (CVE-2020-1472) with Zeek

By Yacin Nadji, Corelight Security Researcher CVE-2020-1472 aka Zerologon, disclosed by Tom Tervoort of Secura, is an illustrative case study of how a small implementation mistake in cryptographic routines cascades into a privilege escalation vulnerabi… Continue reading Detecting Zerologon (CVE-2020-1472) with Zeek

Windows Exploit Released For Microsoft ‘Zerologon’ Flaw

Security researchers and U.S. government authorities alike are urging admins to address Microsoft’s critical privilege escalation flaw. Continue reading Windows Exploit Released For Microsoft ‘Zerologon’ Flaw

Two 0-Days Under Active Attack, Among 120 Bugs Patched by Microsoft

One of the two zero-day bugs is rated ‘critical’ and is classified as a remote code-execution bug impacting Microsoft’s Internet Explorer. Continue reading Two 0-Days Under Active Attack, Among 120 Bugs Patched by Microsoft