Category: alerts

Microsoft has released Guidance for investigating attacks using CVE-2022-21894: The BlackLotus Campaign. According to Microsoft, “[t]his guide provides steps that organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2022-21894 via a Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus.” An attacker could exploit this vulnerability to take control… Read more

CISA has released an update to the Zero Trust Maturity Model (ZTMM), superseding the initial version released in September 2021. ZTMM provides a roadmap for agencies to reference as they transition towards a zero-trust architecture. ZTMM also provides a gradient of implementation across five distinct pillars to facilitate federal implementation, allowing agencies to make minor advancements… Read more

Mozilla has released a security update to address vulnerabilities in Thunderbird 102.9.1. An attacker could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Mozilla’s Thunderbird 102.9.1 security advisory for more information and apply the necessary updates.   Read more

CISA has added ten new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2013-3163 Microsoft Internet Explorer Memory Corruption Vulnerability CVE-2014-1776 Microsoft Internet Explorer Memory Corruption Vulnerability CVE-2017-7494 Samba Remote Code Execution Vulnerability CVE-2022-42948 Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability CVE-2022-39197 Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability CVE-2021-30900 Apple iOS, iPadOS, and… Read more

The Samba Team has released security updates addressing vulnerabilities in multiple versions of Samba. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following announcements and apply the necessary updates: CVE-2023-0225 CVE-2023-0922 CVE-2023-0614   Read more

CISA is aware of open-source reports describing a supply chain attack against 3CX software and their customers. According to the reports, 3CXDesktopApp — a voice and video conferencing app — was trojanized, potentially leading to multi-staged attacks against users employing the vulnerable app. CISA urges users and organizations to review the following reports for more… Read more

Today, CISA released the Untitled Goose Tool to help network defenders detect potentially malicious activity in Microsoft Azure, Azure Active Directory (AAD), and Microsoft 365 (M365) environments. The Untitled Goose Tool offers novel authentication and data gathering methods for network defenders to use as they interrogate and analyze their Microsoft cloud services. The tool enables… Read more

In today’s blog post, Associate Director of the Joint Cyber Defense Collaborative (JCDC) Clayton Romans highlighted recent successes of pre-ransomware notification and its impact in reducing harm from ransomware intrusions. With pre-ransomware notifications, organizations can receive early warning and potentially evict threat actors before they can encrypt and hold critical data and systems for ransom. Using… Read more

As part of the Enduring Security Framework (ESF), the Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) has released Identity and Access Management Recommended Best Practices Guide for Administrators. These recommended best practices provide system administrators with actionable recommendations to better secure their systems from threats to Identity and Access Management… Read more

Content: Today, we published stakeholder-based updates to the Cybersecurity Performance Goals (CPGs). Originally released last October, the CPGs are voluntary practices that businesses and critical infrastructure owners can take to protect themselves against cyber threats. The CPGs have been reorganized, reordered and renumbered to align closely with NIST CSF functions (Identify, Protect, Detect, Respond, and… Read more