CyberSecurity Updates

15 Jun

Barracuda Networks Releases Update to Address ESG Vulnerability

Attacks, Insights, Malware

Barracuda Networks has released an update to their advisory addressing a vulnerability—CVE-2023-2868—in their Email Security Gateway Appliance (ESG). According to Barracuda, customers should replace impacted appliances immediately.  CISA urges organizations to review the Barracuda advisory and for all impacted customers to follow the mitigation steps as well as hunt for the listed indicators of compromise (IOCs) to uncover any malicious activity. For more information, see Mandiant’s advisory on Barracuda ESG Zero-Day Vulnerability (CVE-2023-2868) Exploited Globally…

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15 Jun

CISA, FBI, and MS-ISAC Update Joint CSA on Progress Telerik Vulnerabilities

Attacks, Insights, Malware

Today, CISA, the Federal Bureau of Investigation (FBI), and Multi-State Information Sharing and Analysis Center (MS-ISAC) released an update for joint Cybersecurity Advisory (CSA) Threat Actors Exploit Progress Telerik Vulnerability in U.S. Government IIS Server.  This iteration of the CSA—now renamed Threat Actors Exploit Progress Telerik Vulnerabilities in Multiple U.S. Government IIS Servers—is based on the forensic analysis and identified exploitation of CVE-2017-9248 at an additional FCEB agency. Activity identified at this agency is separate…

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15 Jun

5 best practices to ensure the security of third-party APIs

Data Breaches, Malware, Social Engineering

When organizations consider application programming interface (API) security, they typically focus on securing APIs that are written in-house. However, not all the APIs that companies use are developed internally, rather some are designed and developed by other organizations. The problem is that many companies don’t realize that using third-party APIs can expose their applications to security issues, such as malware, data breaches, and unauthorized access. Third-party APIs are software interfaces that allow organizations to leverage…

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15 Jun

Security culture improving in businesses despite factors holding teams back

Data Breaches, Malware, Social Engineering

The vast majority of CISOs have observed positive security culture gains in their organizations in the last year despite a perceived dip in the quality of overall security posture, according to the 10th annual Information Security Maturity Report published by ClubCISO and Telstra Purple. The research surveyed 182 members of ClubCISO, a global community of information security leaders working in public and private sector companies. The paper paints an optimistic picture of organizational security with…

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14 Jun

Patch Tuesday fixes 4 critical RCE bugs, and a bunch of Office holes

Information

by Paul Ducklin No zero-days this month, if you ignore the Edge RCE hole patched last week (make sure you’ve got that update, by the way): For a full list of this month’s Microsoft Patch Tuesday fixes, take a look at our sister site Sophos News, where SophosLabs analysts have collated complete lists of the the numerous Microsoft CVEs that were fixed this month: Just the way you like it Helpfully, our researchers have created…

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14 Jun

Attackers set up rogue GitHub repos with malware posing as zero-day exploits

Data Breaches, Malware, Social Engineering

In an unusual attack campaign, a hacker has been setting up rogue GitHub repositories that claim to host zero-day exploits for popular applications but which instead deliver malware. The attacker also created fake GitHub and Twitter accounts posing as security researchers and even used real photos of researchers from well-known cybersecurity firms. “The attacker has made a lot of effort to create all these fake personas, only to deliver very obvious malware,” researchers from security…

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14 Jun

Microsoft Outs New Russian APT Linked to Wiper Attacks in Ukraine

Information, News

Security researchers at Microsoft are publicly outing a new APT group linked to Russia’s General Staff Main Intelligence Directorate (GRU), warning that the threat actor has worked on destructive wiper malware attacks that hit organizations in Ukraine. A new report from Redmond’s threat intelligence team tagged the group as ‘Cadet Blizzard’ and documented signs and evidence that adds clarity to the scope and usage of malware in a wartime environment. “[The] emergence of a novel…

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14 Jun

Microsoft Office 365 AitM phishing reveals signs of much larger BEC campaign

Data Breaches, Malware, Social Engineering

Researchers investigating an Office 365 account compromise resulting from an adversary-in-the-middle (AitM) phishing attack found evidence of a much larger global attack campaign that spans the past year and is possibly tied to an infostealer malware called FormBook. “In the past few years, Sygnia’s IR teams have engaged in numerous incidents in which world-wide organizations were targeted by BEC attacks,” researchers from cybersecurity firm Sygnia said in their report. “While some of these attacks were…

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14 Jun

Cybersixgill automates threat intelligence with IQ generative AI application

Data Breaches, Malware, Social Engineering

Cybersixgill’s new IQ cybersecurity threat intelligence application promises to offer quicker and more digestible intelligence on potential threats on the dark web, by leveraging generative AI to provide automated reporting and dissemination of information. The idea is to simplify access to threat intelligence data, which ordinarily is done manually by analysts. According to the company’s announcement, Cybersixgill IQ, which is trained on the company’s own data sets, is able to “democratize” cybersecurity threat intelligence by…

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14 Jun

CISA and NSA Release Joint Guidance on Hardening Baseboard Management Controllers (BMCs)

Attacks, Insights, Malware

Today, CISA, together with the National Security Agency (NSA), released a Cybersecurity Information Sheet (CSI), highlighting threats to Baseboard Management Controller (BMC) implementations and detailing actions organizations can use to harden them.  BMCs are trusted components designed into a computer’s hardware that operate separately from the operating system (OS) and firmware to allow for remote management and control, even when the system is shut down. Hardened credentials, firmware updates, and network segmentation options are often…

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