Zachary Beaudet

All posts by Zachary Beaudet

Zachary is a Cybersecurity Analyst at Barracuda MSP. He's a security expert, working on our Blue Team within our Security Operations Center. Zachary supports our XDR service delivery and is highly skilled at analyzing security events to detect cyber threats, helping keep our partners and their customers protected.

Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Critical Outlook vulnerability exploited

Cybersecurity Threat Advisory: Critical Outlook vulnerability exploited

Microsoft recently discovered Russian state-sponsored hacker group APT28 (“Fancybear” or “Strontium”) exploiting a critical Outlook flaw to gain access to Microsoft Exchange accounts and steal their critical information. This Cybersecurity Threat Advisory looks at the threat and recommendations to protect...

/ December 6, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: New vulnerability for Windows users

Cybersecurity Threat Advisory: New vulnerability for Windows users

A new vulnerability has been identified which could compromise the security of Windows users. The vulnerability discussed in this Cybersecurity Threat Advisory, known as “forced authentication,” gives an attacker access to a user’s NT LAN Manager (NTLM) tokens by tricking...

/ November 28, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: ‘LittleDrifter’ extends its reach

Cybersecurity Threat Advisory: ‘LittleDrifter’ extends its reach

This Cybersecurity Threat Advisory sheds light on a recently discovered USB worm identified as “LittleDrifter” has been attributed to the Russia-linked hacker group known as Gamaredon. The worm has spread beyond its presumed intended target, Ukraine, to other countries including...

/ November 28, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Bibi-Windows Wiper on the rise

Cybersecurity Threat Advisory: Bibi-Windows Wiper on the rise

Israel has recently been the target of cyberattacks involving a wiper malware that was previously observed to target both Linux and Windows systems. The wiper, named “BiBi-Windows Wiper”, has been used by a pro-Hamas hacker group in the wake of...

/ November 15, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: HelloKitty group targets Apache

Cybersecurity Threat Advisory: HelloKitty group targets Apache

This Cybersecurity Threat Advisory discusses a new critical security flaw that was discovered in the Apache ActiveMQ open-source message broker service. This security flaw can potentially result in remote code execution, which is currently being exploited by the HelloKitty ransomware...

/ November 8, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Atlassian confluence vulnerability

Cybersecurity Threat Advisory: Atlassian confluence vulnerability

This Cybersecurity Threat Advisory highlights a new security flaw that has recently been discovered in Atlassian’s Confluence Data Center and Server, which could result in significant data loss if exploited. Tracked as CVE-2023-22518, this vulnerability is rated 9.1 out of...

/ November 2, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: HTTP/2 vulnerability

Cybersecurity Threat Advisory: HTTP/2 vulnerability

Amazon Web Services (AWS), Cloudflare, and Google announced measures to mitigate unprecedented distributed denial-of-service (DDoS) attacks that utilize an innovative HTTP/2 Rapid Reset technique. In this Cybersecurity Threat Advisory, learn the details of this threat, what the risks are, and...

/ October 19, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: Microsoft Sharepoint Server exploit

Cybersecurity Threat Advisory: Microsoft Sharepoint Server exploit

A proof-of-concept exploit code has surfaced on GitHub for a crucial authentication bypass vulnerability in Microsoft SharePoint Server. The exploit allows attackers to escalate privileges in Microsoft SharePoint Servers. Barracuda MSP recommends reviewing this Cybersecurity Threat Advisory in detail to...

/ October 4, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: New Cisco vulnerabilities discovered

Cybersecurity Threat Advisory: New Cisco vulnerabilities discovered

Cisco is warning of five new Catalyst SD-WAN Manager product vulnerabilities. The most critical vulnerability allows unauthorized remote access to the server. Multiple vulnerabilities were discovered in SD-WAN Manager that allows an attacker to access the compromised instance or cause...

/ September 29, 2023
Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: New Microsoft Word vulnerability

Cybersecurity Threat Advisory: New Microsoft Word vulnerability

A new Microsoft Word vulnerability, CVE-2023-36761, was disclosed by Microsoft. This new vulnerability is rated 5.3 by NIST, a medium-level vulnerability but Microsoft has rated this as “Important”. Barracuda MSP recommends reviewing this Cybersecurity Threat Advisory in detail and follow...

/ September 28, 2023