Security News

Barracuda Warns of Zero-Day Exploited to Breach Email Security Gateway Appliances
2023-05-26 04:04

Email protection and network security services provider Barracuda is warning users about a zero-day flaw that it said has been exploited to breach the company's Email Security Gateway appliances. "The vulnerability stems from incomplete input validation of a user-supplied.tar file as it pertains to the names of the files contained within the archive. As a consequence, a remote attacker can specifically format these file names in a particular manner that will result in remotely executing a system command through Perl's qx operator with the privileges of the Email Security Gateway product."

Augmenting Your Microsoft 365 EOP and MDO Email Security Infrastructure
2023-05-25 16:00

TechRepublic Premium Bring your own device policy PURPOSE The purpose of this Bring your own device policy from TechRepublic Premium is to provide requirements for BYOD usage and establish the steps that both users and the IT department should follow to initialize, support and remove devices from company access. These requirements must be followed as documented in order to protect company systems .....

CISO Guide to Business Email Compromise
2023-05-25 16:00

TechRepublic Premium Bring your own device policy PURPOSE The purpose of this Bring your own device policy from TechRepublic Premium is to provide requirements for BYOD usage and establish the steps that both users and the IT department should follow to initialize, support and remove devices from company access. These requirements must be followed as documented in order to protect company systems .....

The Essential Guide to Cloud Email Security
2023-05-25 16:00

TechRepublic Premium Bring your own device policy PURPOSE The purpose of this Bring your own device policy from TechRepublic Premium is to provide requirements for BYOD usage and establish the steps that both users and the IT department should follow to initialize, support and remove devices from company access. These requirements must be followed as documented in order to protect company systems .....

Barracuda email security appliances hacked via zero-day vulnerability (CVE-2023-2868)
2023-05-25 09:50

A vulnerability in Barracuda Networks' Email Security Gateway appliances has been exploited by attackers, the company has warned. CVE-2023-2868 is a critical remote command injection vulnerability affecting only physical Barracuda Email Security Gateway appliances, versions 5.1.3.001 - 9.2.0.006.

Barracuda warns of email gateways breached via zero-day flaw
2023-05-24 15:42

Barracuda, a company known for its email and network security solutions, warned customers today that some of their Email Security Gateway appliances were breached last week by targeting a now-patched zero-day vulnerability. While the flaw was patched over the weekend, Barracuda warned on Tuesday that some of its customers' ESG appliances were compromised by exploiting the now-patched security bug.

Malicious links and misaddressed emails slip past security controls
2023-05-22 03:30

The level of concern is high for attacks evading security controls by leveraging siloed communication and collaboration tools outside of email. "This raises the question of whether expanding collaboration tools simply increases the potential attack surface for bad actors. As organizations continue to adopt new technologies, they must remain vigilant in their efforts to protect against these threats and ensure the security of their communication channels," concluded Gruber.

How business email compromise attacks emulate legitimate web services to lure clicks
2023-05-19 18:10

Call it BEC 3.0 - phishing attacks that bury the hook in legitimate web services like Dropbox. SEE: Another hide-the-malware attack focuses on DNS. "Leveraging legitimate websites to host malicious content is a surefire way to get into the inbox," he said.

Israel-based threat actors show growing sophistication of email attacks
2023-05-15 22:34

A threat group based in Israel is behind attacks in recent weeks, according to a report from email security firm Abnormal Security. Mike Britton, the chief information security officer at Abnormal, said that while it is not unexpected that sophisticated threat actors would emerge from a skilled, innovative technology ecosystem, Asia, Israel - in fact the Middle East, generally - are bases for BEC attackers.

Windows admins can now sign up for ‘known issue’ email alerts
2023-05-03 17:58

Microsoft announced today that Windows admins can now choose to be emailed when new known issues are added to the Windows release health section of the Microsoft 365 admin center. IT admins will receive an email every time known issues are added or updated with new information, including changes in status, new workarounds, or issue resolutions.