News and Articles

Palo Alto Networks has released critical updates to fix a zero-day vulnerability (CVE-2024-3400) in its firewall operating system PAN-OS. The flaw allows unauthenticated attackers to gain root access through command injection in the GlobalProtect gateway/portal. Hotfixes are available, and customers are advised to apply mitigation measures. The U.S. CISA has also mandated actions to address the vulnerability. ...

A new "Loop DoS" attack exploits UDP-based application-layer protocols, potentially affecting thousands of systems. It involves servers engaging in continuous communication, depleting their resources and rendering them unresponsive. Despite no reported real-world instances, an estimated 300,000 hosts could be exploited. Initiatives like BCP38 filtering spoofed traffic aim to mitigate risks. ...

The XZ Compression Backdoor Timeline details a supply chain attack on the xz compression library by "Jia Tan," who gained trust and eventually inserted a backdoor, affecting systems using the library. The attack was detected in March 2024, prompting industry response and highlighting vulnerabilities in open source supply chain security. ...

In March 2024, Panera Bread faced a ransomware attack causing disruptions to IT systems and services. Online and in-store operations were affected, prompting the company to seek customer patience and resort to cash transactions. The attack's timing suggests calculated planning, reflecting a trend of cyberattacks on the food service industry. ...

Cybersecurity expert Bartek Nowotarski revealed a new denial-of-service (DoS) attack strategy, the HTTP/2 Continuation Flood, posing a severe threat to organizations. Numerous vulnerabilities within HTTP/2 implementations have been identified, each with distinct CVE identifiers, presenting a range of DoS exploits. Immediate assessment, patching, enhanced monitoring, collaboration and sharing, and vendor communication are essential for protection. ...