Security Bulletin

This year marks the 30th anniversary of National Cyber Security Awareness Month. While much has changed over the last 30 years, some things remain true.

CISA released one Industrial Control Systems (ICS) advisory on August 29, 2023. This advisory provides timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-19-029-02 Mitsubishi Electric MELSEC-Q Series...

Today, CISA, the Federal Bureau of Investigation, the National Security Agency, and the U.S. Department of the Treasury released guidance on improving the security of open source software (OSS) in operational technology (OT) and industrial control...

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation: CVE-2023-21608 Adobe Acrobat and Reader Use-After-Free Vulnerability CVE-2023-20109 Cisco IOS and IOS XE Group Encrypted...

Researchers and vendors have disclosed a denial-of-service (DoS) vulnerability in HTTP/2 protocol. The vulnerability ( CVE-2023-44487), known as Rapid Reset, has been exploited in the wild in August 2023 through October 2023. CISA recommends...

Citrix has released security updates to address vulnerabilities affecting multiple products. A malicious cyber actor can exploit one of these vulnerabilities take control of an affected system. CISA encourages users and administrators to review the...

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. A cyber threat actor can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review...

Summary Beginning in September 2023, Microsoft was notified by industry partners about a newly identified Distributed Denial-of-Service (DDoS) attack technique being used in the wild targeting HTTP/2 protocol. This vulnerability (CVE-2023-44487)...

Here are five pitfalls cloud security teams face and how to avoid them.