Continuous Monitoring and Protection
Apple has released security updates to address a vulnerability in multiple products. A cyber threat actor could exploit this vulnerability to take control of an affected device. CISA encourages users and administrators to review the following advisories and apply the necessary updates. iOS 15.7.9 and iPadOS 15.7.9 macOS Monterey 12.6.9 macOS Big Sur 11.7.10
Read MoreMicrosoft 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 Microsoft’s September 2023 Security Update Guide and apply the necessary updates.
Read MoreWith a mention in the newNational Cyber Workforce and Education Strategy and even adedicated state law, K–12 cybersecurity education clearly has the eye of policymakers. However, despite public attention and new opportunities for high school students to pursue cybersecurity coursework, high schools often struggle to provide students with a clear understanding of what cybersecurity careers actually look like. Hands-on learning experiences, like those we’ve had at our schools and during our internship with NICE at…
Read MoreToday, CISA, Federal Bureau of Investigation (FBI), and U.S. Cyber Command’s Cyber National Mission Force (CNMF) published a joint Cybersecurity Advisory (CSA), Multiple Nation-State Threat Actors Exploit CVE-2022-47966 and CVE-2022-42475. This CSA provides information on an incident at an Aeronautical Sector organization, with malicious activity occurring as early as January 2023. CISA, FBI, and CNMF confirmed that nation-state advanced persistent threat (APT) actors exploited CVE-2022-47966 to gain unauthorized access to a public-facing application (Zoho ManageEngine…
Read MoreCISA has released actionable guidance for Federal Civilian Executive Branch (FCEB) agencies to help them evaluate and mitigate the risk of volumetric distributed denial-of-service (DDoS) attacks against their websites and related web services. The Capacity Enhancement Guide: Volumetric DDoS Against Web Services Technical Guidance: Helps agencies prioritize DDoS mitigations based on mission and reputational impact. Describes DDoS mitigation services so agencies can make risk-informed tradeoff decisions on how to use available resources most effectively. …
Read MoreThe Cybersecurity and Infrastructure Security Agency (CISA) has released an update to a previously published Cybersecurity Advisory (CSA), Threat Actors Exploiting Citrix CVE-2023-3519 to Implant Webshells. The CSA—originally released to warn network defenders of critical infrastructure organizations about threat actors exploiting CVE-2023-3519, an unauthenticated remote code execution (RCE) vulnerability affecting NetScaler (formerly Citrix) Application Delivery Controller (ADC) and NetScaler Gateway—contains victim information gathered in August 2023. Since July 2023, the Joint Cyber Defense Collaborative (JCDC)…
Read MoreIn November 2022, the password manager service LastPass disclosed a breach in which hackers stole password vaults containing both encrypted and plaintext data for more than 25 million users. Since then, a steady trickle of six-figure cryptocurrency heists targeting security-conscious people throughout the tech industry has led some security experts to conclude that crooks likely have succeeded at cracking open some of the stolen LastPass vaults. Taylor Monahan is lead product manager of MetaMask, a…
Read MoreBackground: NIST Special Publication (SP) 800-66 Healthcare organizations face many challenges from cybersecurity threats. This can have serious impacts on the security of patient data, the quality of patient care, and even the organization’s financial status. Healthcare organizations also must comply with regulatory requirements, such as the Health Insurance Portability and Accountability Act of 1996 (HIPAA) Security Rule, which focuses on safeguarding the electronic protected health information (ePHI) held or maintained by HIPAA covered entities and…
Read MoreDomain names ending in “.US” — the top-level domain for the United States — are among the most prevalent in phishing scams, new research shows. This is noteworthy because .US is overseen by the U.S. government, which is frequently the target of phishing domains ending in .US. Also, .US domains are only supposed to be available to U.S. citizens and to those who can demonstrate that they have a physical presence in the United States.…
Read MoreVMware has released a security update to address a vulnerability in VMware Tools. A cyber threat actor can exploit this vulnerability to obtain sensitive information. CISA encourages users and administrators to review VMware Security Advisory VMSA-2023-0019 and apply the necessary update.
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