An Unsupervised Learning Approach for a Reliable Profiling of Cyber Threat Actors Reported Globally Based on Complete Contextual Information of Cyber Attacks

Cyber attacks are rapidly increasing with the advancement of technology and there is no protection for our information. To prevent future cyberattacks it is critical to promptly recognize cyberattacks and establish strong defense mechanisms against them. To respond to cybersecurity threats...

Best Practices to Configure BIG-IP LTM Systems to Encrypt HTTP Persistence Cookies

CISA has observed cyber threat actors leveraging unencrypted persistent cookies managed by the F5 BIG-IP Local Traffic Manager LTM module to enumerate other non-internet facing devices on the network. F5 BIG-IP is a suite of hardware and software solutions designed to manage and secure network...

Threat Actors Continue to Exploit OT/ICS through Unsophisticated Means

CISA continues to respond to active exploitation of internet-accessible operational technology OT and industrial control systems ICS devices, including those in the Water and Wastewater Systems WWS Sector. Exposed and vulnerable OT/ICS systems may allow cyber threat actors to use default...

Five Eyes Agencies Warn of Active Exploitation of Ivanti Gateway Vulnerabilities

The Five Eyes FVEY intelligence alliance has issued a new cybersecurity advisory warning of cyber threat actors exploiting known security flaws in Ivanti Connect Secure and Ivanti Policy Secure gateways, noting that the Integrity Checker Tool ICT can be deceived to provide a false sense of...

ISC Releases Security Advisories for BIND 9

The Internet Systems Consortium ISC released security advisories to address vulnerabilities affecting multiple versions of ISC’s Berkeley Internet Name Domain BIND 9. A cyber threat actor could exploit one of these vulnerabilities to cause a denial-of-service condition. CISA encourages users and...

Fortinet Releases Security Updates for Multiple Products

Fortinet has released security advisories addressing vulnerabilities in multiple products. These vulnerabilities may allow cyber threat actors to take control of the affected systems. CISA encourages users and administrators to review the following Fortinet security advisories and apply the...

FBI Warns of Rising Trend of Dual Ransomware Attacks Targeting U.S. Companies

The U.S. Federal Bureau of Investigation FBI is warning of a new trend of dual ransomware attacks targeting the same victims, at least since July 2023. "During these attacks, cyber threat actors deployed two different ransomware variants against victim companies from the following variants:...

Increased Truebot Activity Infects U.S. and Canada Based Networks

SUMMARY The Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, the Multi-State Information Sharing and Analysis Center MS-ISAC, and the Canadian Centre for Cyber Security CCCS are releasing this joint Cybersecurity Advisory CSA in response to cyber...

CISA Releases SSVC Methodology to Prioritize Vulnerabilities

Today CISA published its guide on Stakeholder-Specific Vulnerability Categorization SSVC, a vulnerability management methodology that assesses vulnerabilities and prioritizes remediation efforts based on exploitation status, impacts to safety, and prevalence of the affected product in a singular...

Ukraine war spotlights agriculture sector's vulnerability to cyber attack

By Joe Marshall. The war in Ukraine has caused massive problems for global food supplies, underscoring the high impact of disruptive events to agriculture entities and related organizations. The challenges to the Ukrainian agriculture sector imposed by the war--and global ripple effects--have bee...

Executive Summary: Organizations and Nation-State Cyber Threats

Executive Summary: Organizations and Nation-State Cyber Threats By John Fokker · March 28, 2022 Traditionally when we talk about threat actors, we first need to make the split between cybercrime and nation-state sponsored operations. Where cybercrime is mostly focused on financial gain,...

Mitigating Log4Shell and Other Log4j-Related Vulnerabilities

Summary The Cybersecurity and Infrastructure Security Agency CISA, the Federal Bureau of Investigation FBI, National Security Agency NSA, Australian Cyber Security Centre ACSC, Canadian Centre for Cyber Security CCCS, the Computer Emergency Response Team New Zealand CERT NZ, the New Zealand...

Defending Against Malicious Cyber Activity Originating from Tor

Summary This advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® and Pre-ATT&CK framework. See the ATT&CK for Enterprise and Pre-ATT&CK frameworks for referenced threat actor techniques. This advisory—written by the Cybersecurity Security and Infrastructure...

CISA Alert: Top Routinely Exploited Vulnerabilities

On July 28, 2021, the U.S. Cybersecurity and Infrastructure Security Agency CISA released a cybersecurity advisory detailing the top 30 publicly known vulnerabilities that have been routinely exploited by cyber threat actors in 2020 and 2021. Organizations are advised to prioritize and apply...

ALERT: Critical RCE Bug in VMware vCenter Server Under Active Attack

Malicious actors are actively mass scanning the internet for vulnerable VMware vCenter servers that are unpatched against a critical remote code execution flaw, which the company addressed late last month. The ongoing activity was detected by Bad Packets on June 3 and corroborated yesterday by...

Chinese Ministry of State Security-Affiliated Cyber Threat Actor Activity

Summary The Cybersecurity and Infrastructure Security Agency CISA has consistently observed Chinese Ministry of State Security MSS-affiliated cyber threat actors using publicly available information sources and common, well-known tactics, techniques, and procedures TTPs to target U.S. Government...

Chinese Government-affiliated Malicious Cyber Actors Targeting U.S. Government Agencies

The Cybersecurity and Infrastructure Security Agency CISA and Federal Bureau of Investigation FBI have issued an advisory about Chinese Ministry of State Security MSS-affiliated cyber threat actors targeting U.S. government agencies. Through the National Cybersecurity Protection System, CISA has...

FBI Releases Article on Securing the Internet of Things

The Federal Bureau of Investigation FBI has released an article on the risks associated with internet-connected devices, commonly referred to as the Internet of Things IoT. FBI warns that cyber threat actors can use unsecured IoT devices as proxies to anonymously pursue malicious cyber activities...

Malicious PowerShell Detection via Machine Learning

Introduction Cyber security vendors and researchers have reported for years how PowerShell is being used by cyber threat actors to install backdoors, execute malicious code, and otherwise achieve their objectives within enterprises. Security is a cat-and-mouse game between adversaries, researcher...

Global Threats to Information Systems

The advanced capabilities of organized hacker groups and cyber threat actors are an increasing global threat to information systems. Rising threat levels place more demands on cybersecurity personnel and network administrators to protect information systems. Protecting network infrastructure is...