Attacks

IOTW: Everything we know about the Medibank data leak

Note: this article was updated on November 11, 2022 to reflect a development in the Australian Federal Police’s investigation The hacker responsible for a data breach of Australian health insurance provider Medibank which affected 9.7 million people has released private medical information on the dark web. The hacker posted a file labelled “abortions” to a site backed by Russian ransomware group REvil on November 10, 2022. It apparently contains information on procedures that policyholders have…

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Canadian Meat Giant Suffers Cyberattack

To minimize the effect of ransomware attacks, organizations should regularly back up their data and keep secure copies offline. On top of that, keeping systems up to date with patches and keeping an up-to-date anti-virus software will help a considerable amount. A 24/7 monitoring solution like the one that is offered by Binary Defense and the Security Operations Center should be considered when determining a defense solution as well. Keeping eyes out for network intrusions…

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New StrelaStealer Malware Steals Your Outlook, Thunderbird Accounts

It is highly recommended to implement and maintain good email security controls, such as AV scanning and sandboxing, to help prevent phishing emails from being delivered to end users. Since the vast majority of malware is delivered via phishing emails, this step alone can help prevent a large number of malware campaigns from being unsuccessful in infecting an organization. It is also recommended to implement a blocklist of potentially suspicious email attachment file types, such…

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Verified Mess — Twitter’s $8 Blue Tick Rollout Sees ‘Verified’ Fakes

This issue is likely to get worse before it gets better. Threat actors will continue to use the new verified check marks as a means to spread misinformation as well as attempt social engineering tactics to take advantage of individuals. Users should be wary of “verified” twitter accounts and should validate any information received from a twitter account with a secondary reliable source. Individuals should also be cautious of direct messages from verified accounts enticing…

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CISA Releases SSVC Methodology to Prioritize Vulnerabilities

Original release date: November 10, 2022 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 system. As stated in Executive Assistant Director (EAD) Eric Goldstein’s blog post Transforming the Vulnerability Management Landscape, implementing a methodology, such as SSVC, is a critical step to advancing the vulnerability management…

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CISA Releases Twenty Industrial Control Systems Advisories

Original release date: November 10, 2022 CISA has released twenty (20) Industrial Control Systems (ICS) advisories on November 10, 2022. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisories for technical details and mitigations: ICSA-22-314-01 Siemens Parasolid ICSA-22-314-02 Siemens Missing Web Server Login Page of Industrial Controllers ICSA-22-314-03 Siemens SINEC Network Management System Logback Component ICSA-22-314-04 Siemens SINUMERIK…

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Microsoft Releases November 2022 Security Updates

Original release date: November 9, 2022 Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker can exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Microsoft’s November 2022 Security Update Guide and Deployment Information and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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Malicious Extension Lets Attackers Control Google Chrome Remotely

It is recommended that users update to the latest version of Google Chrome to ensure systems have the most up-to-date security protections. Users can also stay better protected from malicious executables and websites by enabling Enhanced Protection in Chrome’s privacy and security settings. Enhanced Protection automatically produces a warning about potentially risky websites and downloads. https://www.bleepingcomputer.com/news/security/malicious-extension-lets-attackers-control-google-chrome-remotely/

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VMware Fixes Three Critical Authentication Bypass Bugs in Workspace ONE Assist

So far this year, VMware has patched critical authentication bypass vulnerabilities approximately every three months. This article highlights the importance of keeping systems up to date in an enterprise environment. Not performing timely updates could lead to software quickly becoming outdated, which could allow for an actor to gain administrator privileges and execute remote code. It is recommended to monitor any suspicious commands or downloads following the execution of Workspace ONE Assist. Additionally, while VMware…

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ProxyNotShell Receives Patches from Microsoft

Microsoft released the patches for ProxyNotShell on Tuesday, November 8th, 2022. Due to the high severity nature of these vulnerabilities, it is strongly recommended to update all Microsoft Exchange servers as soon as possible. https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-proxynotshell-exchange-zero-days-exploited-in-attacks/

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