Continuous Monitoring and Protection
Individuals who may have been affected by this breach should change login information immediately. Customers who may have been affected should also be aware that phishing attempts, whether by email or text, are likely to increase so any suspicious emails from unknown senders should be dealt with cautiously. https://www.bleepingcomputer.com/news/security/weee-grocery-service-confirms-data-breach-11-million-affected
Read MoreInfections via malicious Google ads has become increasingly utilized by threat actors in recent months, indicating the popularity of such a tactic gaining traction. It is recommended to install an ad blocker on web browsers, as this can help prevent these malicious Google ads from being served. This can help prevent an unsuspecting user from accidentally visiting the malicious website instead of the legitimate one. In cases where a masquerading malware such as Gootkit is…
Read MoreRansomware continues to be a dominant force in the cybercrime industry. While mitigating this threat is difficult, it is far from impossible, especially with mature incident response, threat detection, and disaster recovery programs in place. Implementing detections for Data Encrypted for Impact (MITRE ATT&CK Technique T1486) and other common ransomware techniques will help incident response teams react as soon as possible, potentially stopping the attacker in their tracks. Backups of critical systems, if kept disconnected…
Read MoreOriginal release date: February 9, 2023 CISA, the National Security Agency (NSA), the Federal Bureau of Investigation (FBI), the Department of Health and Human Services (HHS), and Republic of Korea’s Defense Security Agency and National Intelligence Service have released a joint Cybersecurity Advisory (CSA), Ransomware Attacks on Critical Infrastructure Fund DPRK Espionage Activities, to provide information on ransomware activity used by North Korean state-sponsored cyber to target various critical infrastructure sectors, especially Healthcare and Public…
Read MoreOriginal release date: February 9, 2023 OpenSSL has released a security advisory to address multiple vulnerabilities affecting OpenSSL versions 3.0.0, 2.2.2, and 1.0.2. An attacker could exploit some of these vulnerabilities to obtain sensitive information. CISA encourages users and administrators to review the OpenSSL advisory and make the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.
Read MoreIn this article, Cyber Security Hub explores how cyber attackers use threat vectors like phishing, social engineering and ransomware to enact business email compromise (BEC). Cybercrime is an ever-growing issue across virtually every industry. Expected to have a global cost as much as US$10trn by 2025, companies must fight to combat malicious actors seeking to gain from cyber attacks against them. Threat actors increasingly use multiple threat vectors during attacks to overwhelm companies and make…
Read MoreOriginal release date: February 8, 2023 Today, CISA and the Federal Bureau of Investigation (FBI) released a joint Cybersecurity Advisory, ESXiArgs Ransomware Virtual Machine Recovery Guidance. This advisory describes the ongoing ransomware campaign known as “ESXiArgs.” Malicious cyber actors may be exploiting known vulnerabilities in unpatched and out-of-service or out-of-date versions of VMware ESXi software to gain access to ESXi servers and deploy ESXiArgs ransomware. The ransomware encrypts configuration files on ESXi servers, potentially rendering…
Read MoreSince the disabling of Office macros by Microsoft, a variety of new techniques have arisen to gain remote code execution on a host, with OneNote attachments becoming one of the more prominent techniques seen. As it is rather uncommon for OneNote files to be sent through email, many researchers recommend blocking these extensions altogether. However, for organizations where that is not possible, other options are available. One potential monitoring solution would be to monitor all…
Read MoreAdministrators of websites, and especially online stores, should regularly evaluate possible data exposure on their sites. Any time sensitive data is found by an administrator, passwords should be rotated for not only users but databases as well. Enabling two-factor authentication (2FA) can help mitigate any exposure of administrator login information. Analyzing logs for the web-server software in use can reveal unusually high activity from individual IP addresses. Rate limiting based on IP addresses and using…
Read MoreTo assist users in recovering their servers, CISA released an ESXiArgs-Recover script on GitHub to automate the recovery process. “CISA is aware that some organizations have reported success in recovering files without paying ransoms. CISA compiled this tool based on publicly available resources, including a tutorial by Enes Sonmez and Ahmet Aykac,” explains CISA. “This tool works by reconstructing virtual machine metadata from virtual disks that were not encrypted by the malware.” While the GitHub…
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