Ryuk Ransomware Gang Uses Zerologon Bug for Lightning-Fast Attack

The Ryuk threat actors have struck again, moving from sending a phishing email to complete encryption across the victim’s network in just five hours. That breakneck speed is partially the result of the gang using the Zerologon privilege-escalation bug (CVE-2020-1472), Read More …

Microsoft Addresses Windows TCP/IP RCE/DoS Vulnerability

Microsoft has released a security update to address a protocol vulnerability—CVE-2020-16898—in Windows Transmission Control Protocol (TCP)/IP stack handling of Internet Control Message Protocol version 6 (ICMPv6) Router Advertisement packets. A remote attacker could exploit this vulnerability to take control of Read More …

Google, Intel Warn on ‘Zero-Click’ Kernel Bug in Linux-Based IoT Devices

Google and Intel are warning of a high-severity flaw in BlueZ, the Linux Bluetooth protocol stack that provides support for core Bluetooth layers and protocols to Linux-based internet of things (IoT) devices. According to Google, the vulnerability affects users of Read More …

Two New IoT Vulnerabilities Identified with Mirai Payloads

Palo Alto Networks is proactively trying to safeguard its customers from attacks however possible. By leveraging its Next-Generation Firewall as sensors on the perimeter to detect malicious payloads and attack patterns, Unit 42 researchers are able to hunt down the Read More …

Threat Brief: Microsoft Vulnerability CVE-2020-16898

In October 2020, during Microsoft’s Patch Tuesday, a security update (CVE-2020-16898) addressed a critical vulnerability discovered in IPv6 Router Advertisement Options (called “DNS RA options”). This vulnerability resides within the Windows TCP/IP stack that is responsible for handling RA packets. Read More …

Hacker groups chain VPN and Windows bugs to attack US government networks

Hackers have gained access to government networks by combining VPN and Windows bugs, the Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) said in a joint security alert published on Friday. Attacks have targeted federal Read More …