Insights

CISA Removes One Known Exploited Vulnerability From Catalog

CISA is continually collaborating with partners across government and the private sector. As a result of this collaboration, CISA has concluded that there is insufficient evidence to keep the following CVE in the catalog and has removed it: CVE-2022-28958 DIR-816L Remote Code Execution Vulnerability Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant…

Read More

CISA and Partners Release Joint Advisory on IRGC-Affiliated Cyber Actors Exploiting PLCs

Today, CISA, the Federal Bureau of Investigation (FBI), National Security Agency (NSA), Environmental Protection Agency (EPA), and the Israel National Cyber Directorate (INCD) released a joint Cybersecurity Advisory (CSA) IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors in response to the active exploitation of Unitronics programmable logic controllers (PLCs) in multiple sectors, including U.S. Water and Wastewater Systems (WWS) facilities, by Iranian Government Islamic Revolutionary Guard Corps (IRGC)-affiliated advanced persistent threat (APT) cyber actors.  IRGC-affiliated cyber…

Read More

Multiple Vulnerabilities Affecting Web-Based Court Case and Document Management Systems

CISA has assisted a researcher with coordinating the disclosure of multiple researcher-discovered vulnerabilities affecting web-based case and document management systems used by multiple state, county, and municipal courts. Affected systems include products from Tyler Technologies and Catalis and custom software used by specific counties in Florida. In summary, the vulnerabilities allow an unauthenticated, remote attacker to access sensitive documents by manipulating identifiers and file names in URLs. CISA understands that some of the vulnerabilities may…

Read More

Okta: Breach Affected All Customer Support Users

When KrebsOnSecurity broke the news on Oct. 20, 2023 that identity and authentication giant Okta had suffered a breach in its customer support department, Okta said the intrusion allowed hackers to steal sensitive data from fewer than one percent of its 18,000+ customers. But today, Okta revised that impact statement, saying the attackers also stole the name and email address for nearly all of its customer support users. Okta acknowledged last month that for several…

Read More

CISA Releases First Secure by Design Alert

Today, CISA published guidance on How Software Manufacturers Can Shield Web Management Interfaces From Malicious Cyber Activity as a part of a new Secure by Design (SbD) Alert series.    This SbD Alert urges software manufacturers to proactively prevent the exploitation of vulnerabilities in web management interfaces by designing and developing their products using SbD principles:   Take Ownership of Customer Security Outcomes.  Embrace Radical Transparency and Accountability.    For more information on SbD principles,…

Read More

ID Theft Service Resold Access to USInfoSearch Data

One of the cybercrime underground’s more active sellers of Social Security numbers, background and credit reports has been pulling data from hacked accounts at the U.S. consumer data broker USinfoSearch, KrebsOnSecurity has learned. Since at least February 2023, a service advertised on Telegram called USiSLookups has operated an automated bot that allows anyone to look up the SSN or background report on virtually any American. For prices ranging from $8 to $40 and payable via…

Read More

Exploitation of Unitronics PLCs used in Water and Wastewater Systems

CISA is responding to active exploitation of Unitronics programmable logic controllers (PLCs) used in the Water and Wastewater Systems (WWS) Sector. Cyber threat actors are targeting PLCs associated with WWS facilities, including an identified Unitronics PLC, at a U.S. water facility. In response, the affected municipality’s water authority immediately took the system offline and switched to manual operations—there is no known risk to the municipality’s drinking water or water supply. WWS Sector facilities use PLCs…

Read More

CISA and UK NCSC Unveil Joint Guidelines for Secure AI System Development

Today, in a landmark collaboration, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the UK National Cyber Security Centre (NCSC) are proud to announce the release of the Guidelines for Secure AI System Development. Co-sealed by 23 domestic and international cybersecurity organizations, this publication marks a significant step in addressing the intersection of artificial intelligence (AI), cybersecurity, and critical infrastructure. The Guidelines, complementing the U.S. Voluntary Commitments on Ensuring Safe, Secure, and Trustworthy AI,…

Read More

Mozilla Releases Security Updates for Firefox and Thunderbird

Mozilla has released security updates to address vulnerabilities in Firefox and Thunderbird. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following advisories and apply the necessary updates: Firefox iOS 120 Firefox 120 Firefox ESR 115.5 Thunderbird 115.5.0

Read More

CISA, FBI, MS-ISAC, and ASD’s ACSC Release Advisory on LockBit Affiliates Exploiting Citrix Bleed

Today, the Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Multi-State Information Sharing & Analysis Center (MS-ISAC), and Australian Signals Directorate’s Australian Cyber Security Center (ASD’s ACSC) released a joint Cybersecurity Advisory (CSA), #StopRansomware: LockBit Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability (along with an accompanying analysis report MAR-10478915-1.v1 Citrix Bleed), in response to LockBit 3.0 ransomware affiliates and multiple threat actor groups exploiting CVE-2023-4966. Labeled Citrix Bleed, the vulnerability affects Citrix’s NetScaler…

Read More