Cybersecurity agencies from Australia, Canada, New Zealand, the U.S., and the U.K. on Wednesday released a joint advisory in response to widespread exploitation of multiple vulnerabilities in Apache’s Log4j software library by nefarious adversaries. “These vulnerabilities, especially Log4Shell, are severe,” the intelligence agencies said in the new guidance. “Sophisticated cyber threat actors are actively scanning …
The last several years have seen an ever-increasing number of cyber-attacks, and while the frequency of such attacks has increased, so too has the resulting damage. One needs only to look at CISA’s list of significant cyber incidents to appreciate the magnitude of the problem. In May of 2021, for example, a ransomware attack brought …
The U.S. Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are warning of active exploitation of a newly patched flaw in Zoho’s ManageEngine ServiceDesk Plus product to deploy web shells and carry out an array of malicious activities. Tracked as CVE-2021-44077 (CVSS score: 9.8), the issue relates to an unauthenticated, …
Government agencies publish notices and directives all the time. Usually, these are only relevant to government departments, which means that nobody else really pays attention. It’s easy to see why you would assume that a directive from CISA just doesn’t relate to your organization. But, in the instance of the latest CISA directive, that would …
Summary Actions You Can Take Now to Protect Against BlackMatter Ransomware• Implement and enforce backup and restoration policies and procedures.• Use strong, unique passwords.• Use multi-factor authentication.• Implement network segmentation and traversal monitoring. Note: this advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, version 9. See the ATT&CK for Enterprise for all …
The U.S. Cybersecurity Infrastructure and Security Agency (CISA) on Thursday warned of continued ransomware attacks aimed at disrupting water and wastewater facilities (WWS), highlighting five incidents that occurred between March 2019 and August 2021. “This activity—which includes attempts to compromise system integrity via unauthorized access—threatens the ability of WWS facilities to provide clean, potable water …
Summary Immediate Actions You Can Take Now to Protect Against Conti Ransomware• Use multi-factor authentication.• Segment and segregate networks and functions.• Update your operating system and software. Note: This Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and …
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday issued a bulletin warning of a zero-day flaw affecting Zoho ManageEngine ADSelfService Plus deployments that is currently being actively exploited in the wild. The flaw, tracked as CVE-2021-40539, concerns a REST API authentication bypass that could lead to arbitrary remote code execution (RCE). ADSelfService Plus …
This Joint Cybersecurity Advisory was 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. Federal Bureau of Investigation (FBI). This advisory provides details on the top 30 vulnerabilities—primarily Common Vulnerabilities and Exposures (CVEs)—routinely exploited by malicious cyber …
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), Department of Homeland Security (DHS), and the Federal Bureau of Investigation (FBI) on Monday published a new joint advisory as part of their latest attempts to expose the tactics, techniques, and procedures (TTPs) adopted by the Russian Foreign Intelligence Service (SVR) in its attacks targeting the U.S …