Malware

Attacks on industrial infrastructure on the rise, defenses struggle to keep up

The last year saw a rise in the sophistication and number of attacks targeting industrial infrastructure, including the discovery of a modular malware toolkit that’s capable of targeting tens of thousands of industrial control systems (ICS) across different industry verticals. At the same time, incident response engagements by industrial cybersecurity firm Dragos showed that 80% of impacted environments lacked visibility into ICS traffic and half had network segmentation issues and uncontrolled external connections into their…

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Mozilla Releases Security Updates for Firefox 110 and Firefox ESR

Original release date: February 14, 2023 Mozilla has released security updates to address vulnerabilities in Firefox 110 and Firefox ESR. An attacker could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Mozilla’s security advisories for Firefox 110 and Firefox ESR 102.8 for more information and apply the necessary updates. This product is provided subject to this Notification and this Privacy & Use policy.

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Citrix Releases Security Updates for Workspace Apps, Virtual Apps and Desktops

Original release date: February 14, 2023 Citrix has released security updates to address high-severity vulnerabilities (CVE-2023-24486, CVE-2023-24484, CVE-2023-24485, and CVE-2023-24483) in Citrix Workspace Apps, Virtual Apps and Desktops. A local user could exploit these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review Citrix security bulletins CTX477618, CTX477617, and CTX477616 for more information and to apply the necessary updates. This product is provided subject to this Notification and this…

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CISA Adds Four Known Exploited Vulnerabilities to Catalog

Original release date: February 14, 2023 CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view the newly added vulnerabilities in the catalog, click on the arrow in the “Date Added to Catalog” column, which will sort by descending dates. Binding Operational Directive (BOD) 22-01:…

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Microsoft Releases February 2023 Security Updates

Original release date: February 14, 2023 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 February 2023 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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Apple Deploys Patch Fixing Actively-Exploited WebKit Vulnerability

Companies are highly encouraged to patch as soon as their change management procedures allow. It’s possible that threat actors using this exploit currently will ramp up deployment in an effort to compromise devices before they get patched. Additionally, analysts should look for suspicious processes and activity stemming from Safari, pending further information from Apple about the specifics of the exploit, as far back as their logging allows. https://www.bleepingcomputer.com/news/security/apple-fixes-new-webkit-zero-day-exploited-to-hack-iphones-macs/

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Mortal Kombat Ransomware Targeting US Victims

This group is clearly financially motivated, using the ransomware as one way to target victims and encrypt files for extortion, in addition to exploiting the chance to steal cryptocurrency. Talos analysts assess that this particular ransomware isn’t very sophisticated as it will target system files and applications too, which are commonly avoided to prevent the system from becoming unstable. A victim will know they are infected because their wallpaper will change to a Mortal Kombat…

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Stealthy ‘Beep’ Malware Discovered

Although Beep’s functionality is currently limited, it’s clear that the developers have high ambitions for a variety of functionality. While the evasion tactics used in Beep are plentiful, they generally center around avoiding anti-virus, and being difficult to reverse engineer. Behavioral analysis can still provide great value in detecting threats such as this. It’s important to have a defense-in-depth program which includes proactive threat hunting of post compromise activities in order to combat emerging threats…

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EnterpriseDB adds Transparent Data Encryption to PostgreSQL

Relational database provider EnterpriseDB on Tuesday said that it was adding Transparent Data Encryption (TDE) to its databases, which are based on open-source PostgreSQL.   TDE, which is used by Oracle and Microsoft, is a method of encrypting database files in order to ensure security of data while at rest and in motion. It helps ensure that  data on the hard drive as well as files on backup are encrypted, the company said in a…

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Open Systems launches Ontinue MDR division, new MXDR service Ontinue ION

Managed security services provider Open Systems has announced the launch of Ontinue, a new managed detection and response (MDR) division. It has also unveiled a new managed extended detection and response (MXDR) service, Ontinue ION, along with a new add-on service called Managed Vulnerability Mitigation (MVM). Ontinue ION offers advanced capabilities that enable faster detection and response, a deeper understanding of a customer’s environment and the ability to maximize Microsoft security investments for greater efficiency,…

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