Network Attack Trends: Attackers Leveraging High Severity and Critical Exploits

From May 1-July 21, 2020, Unit 42 researchers captured global network traffic from firewalls around the world and then analyzed the data to examine the latest network attack trends. The majority of attacks we observed were classified as high severity Read More …

Billions of devices vulnerable to new ‘BLESA’ Bluetooth security flaw

Billions of smartphones, tablets, laptops, and IoT devices are using Bluetooth software stacks that are vulnerable to a new security flaw disclosed over the summer. Named BLESA (Bluetooth Low Energy Spoofing Attack), the vulnerability impacts devices running the Bluetooth Low Read More …

Windows Exploit Released For Microsoft ‘Zerologon’ Flaw

Proof-of-concept (PoC) exploit code has been released for a Windows flaw, which could allow attackers to infiltrate enterprises by gaining administrative privileges, giving them access to companies’ Active Directory domain controllers (DCs). The vulnerability, dubbed “Zerologon,” is a privilege-escalation glitch Read More …

A Blind Spot in ICS Security: The Protocol Gateway [Part 2] Vulnerability Allowing Stealth Attacks on Industrial Control Systems

A protocol gateway is a small network device, also called a protocol converter” or “IoT gateway.” It is similar to an “interpreter” in the digital word, and acts as a communications intermediary between different protocols. As the integration of networks Read More …

Feds Warn Nation-State Hackers are Actively Exploiting Unpatched Microsoft Exchange, F5, VPN Bugs

The U.S. government is warning that Chinese threat actors have successfully compromised several government and private sector entities in recent months, by exploiting vulnerabilities in F5 BIG-IP devices, Citrix and Pulse Secure VPNs and Microsoft Exchange servers. Patches are currently Read More …