Insights

CISA is collaborating with private industry partners to respond to a recent compromise discovered by independent security researchers impacting Sisense, a company that provides data analytics services. CISA urges Sisense customers to: Reset credentials and secrets potentially exposed to, or used to access, Sisense services.  Investigate—and report to CISA—any suspicious activity involving credentials potentially exposed to, or used to access, Sisense services. CISA is taking an active role in collaborating with private industry partners to…

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Today, CISA publicly issued Emergency Directive (ED) 24-02 to address the recent campaign by Russian state-sponsored cyber actor Midnight Blizzard to exfiltrate email correspondence of Federal Civilian Executive Branch (FCEB) agencies through a successful compromise of Microsoft corporate email accounts. This Directive rhttps://www.cisa.gov/news-events/directives/ed-24-02-mitigating-significant-risk-nation-state-compromise-microsoft-corporate-email-systemequires agencies to analyze the content of exfiltrated emails, reset compromised credentials, and take additional steps to secure privileged Microsoft Azure accounts. While ED 24-02 requirements only apply to FCEB agencies, other organizations…

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Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system.   Users and administrators are encouraged to review the following and apply the necessary updates:   Microsoft Security Update Guide for April

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Ivanti has released security updates to address vulnerabilities in all supported versions (9.x and 22.x) of Ivanti Connect Secure and Policy Secure gateways. A cyber threat actor could exploit one of these vulnerabilities to take control of an affected system.  Users and administrators are encouraged to review the following Ivanti advisory and apply the necessary updates:  SA:CVE-2024-21894 (Heap Overflow), CVE-2024-22052 (Null Pointer Dereference), CVE-2024-22053 (Heap Overflow) and CVE-2024-22023 (XML entity expansion or XXE) for Ivanti Connect…

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Today, CISA published a new dedicated High-Risk Communities webpage comprised of cybersecurity resources to support civil society communities at heighted risk of digital security threats, including cyber hygiene guidance, a repository of local cyber volunteer programs, and free or discounted tools and services. Despite their vulnerability to advanced cyber threats, many civil society organizations operate on lean budgets and cannot significantly invest in cybersecurity. CISA’s High-Risk Communities webpage provides resources specifically for civil society organizations,…

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CISA and the open source community are responding to reports of malicious code being embedded in XZ Utils versions 5.6.0 and 5.6.1. This activity was assigned CVE-2024-3094. XZ Utils is data compression software and may be present in Linux distributions. The malicious code may allow unauthorized access to affected systems.  CISA recommends developers and users to downgrade XZ Utils to an uncompromised version—such as XZ Utils 5.4.6 Stable—hunt for any malicious activity and report any…

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