With ransomware being top of mind and a top cyber attack technique, organizations across all business types and sectors are paying attention. The inception of the Ransomware Task Force and other government efforts such as the StopRansomware webpage demonstrate the commitment by industry and government to help organizations build security and resiliency against this virulent threat.
The Cybersecurity and Infrastructure Security Agency (CISA) has released the latest version of a report from its Information and Communications Technology Supply Chain Risk Management Task Force, adding information on impacts and mitigating controls for threat scenarios provided in the original report published in February 2020. The additional material is included in Appendix C, Threat Scenarios.
The National Security Agency (NSA) has released an information sheet with guidance on securing wireless devices while in public. This information sheet provides information on malicious techniques used by cyber actors to target wireless devices and ways to protect against it.
The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS vulnerability advisories, as well as alerts, updates, and bulletins:
ICS Vulnerability Advisories:
As if ransomware distribution wasn’t effective enough, LockBit 2.0 reportedly has a new feature to keep an eye on. According to researchers, a new version of LockBit 2.0 leverages Active Directory group policies to automate the encryption process. Once actors have gained control of a domain controller, they deploy group policies to:
A Joint Cybersecurity Advisory on the Top Routinely Exploited Vulnerabilities (AA21-209A) was released yesterday. The advisory, coauthored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), the Australian Cyber Security Centre (ACSC), the United Kingdom’s National Cyber Security Centre (NCSC), and the U.S.
The Cybersecurity and Infrastructure Security Agency (CISA) has published the following ICS vulnerability advisories, as well as alerts, updates, and bulletins:
ICS Vulnerability Advisories:
Europol announces it has launched a new version of its “No More Ransom” website, where visitors can find 121 free tools to decrypt 151 ransomware families. Now in its fifth year, Europol notes the repository has helped more than six million people recover their files for free. Europol also says the revamped website has been modernized and made to be more user-friendly.
The U.K.’s National Cyber Security Centre (NCSC) has launched its “Zero Trust Architecture Design Principles,” providing guidance to help entities design and review a zero trust architecture that meets their unique requirements.
Microsoft has published guidance for mitigating “PetitPotam,” which is described as a classic NTLM Relay Attack that exploits a security flaw in the Windows operating system. If successfully exploited, it forces remote Windows servers to authenticate with an attacker and share NTLM authentication details or authentication certificates.
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