Blog | Holm Security | Hacker attacks & exploits

October 18, 2023 — Hacker attacks & exploits Cisco Zero-Day Vulnerability: Exploiting Thousands of Devices Cyber security experts have issued a grave warning about a critical zero-day vulnerability in Cisco's IOS XE software. This flaw, known as CVE-2023-20198, poses a significant threat to enterprise networking gear, allowing remote attackers to gain complete...

June 2, 2023 — Hacker attacks & exploits MOVEit Transfer Zero-Day Vulnerability Exploited in Data Theft Attacks

MOVEit Transfer is a popular file transfer program developed by Ipswitch, a subsidiary of...

May 29, 2023 — Hacker attacks & exploits Barracuda Email Security Gateway Appliance Zero-Day Vulnerability

Security Flaw in Email Security Gateway The California-based company investigation has...

March 17, 2023 — Hacker attacks & exploits Microsoft Outlook Zero Day Vulnerability CVE-2023-23397 Exploited

Outlook Vulnerability Allows Zero-Click Attackers to Compromise User Authentication An...

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December 16, 2022 — Hacker attacks & exploits Critical Vulnerability in FortiOS

Overview FortiOS SSL-VPN doesn't validate HTTP requests properly, leading to an overflow of heap buffer using specially crafted requests.

April 1, 2022 — Hacker attacks & exploits Spring4Shell: Zero-Day Vulnerability in Spring Framework

General information Two RCEs exist and three vectors are being discussed online (one of which is not known to be remotely exploitable):

December 14, 2021 — Hacker attacks & exploits How to Remediate the Log4j 2 Vulnerability

This vulnerability can allow an attacker to, if exploited on a server, gain complete control over entire systems. Any system that could be exploited, should be...

October 3, 2019 — Hacker attacks & exploits Are You Protected against Malware Attacks?

At Holm Security, we provide solutions for vulnerability assessment. In meetings with our customers, we sometimes discuss previous incidents that could've...

August 29, 2019 — Hacker attacks & exploits How a Cyber Weapon is Made

The Delivery Mechanism This part of the cyber weapon ensures it hits its target - or reaches the right client, hardware, or network. The delivery can be done...

June 17, 2019 — Hacker attacks & exploits How Hackers use Legitimate-Looking Domains to Attack You

Hacker attacks & exploits

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