Blog | Holm Security | Hacker attacks & exploits

June 2, 2023 — Hacker attacks & exploits MOVEit Transfer Zero-Day Vulnerability Exploited in Data Theft Attacks A zero-day vulnerability affecting MOVEit Transfer has been reported being actively exploited by hackers worldwide.

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...

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

Overview FortiOS SSL-VPN doesn't validate HTTP requests properly, leading to an overflow...

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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

May 22, 2019 — Hacker attacks & exploits The Hydro-Attack Cost 350 Million – This Is How It Happened!

Today, not all systems are running yet and they estimated that it may take several months before they are up and running again. The attack probably started as...

Hacker attacks & exploits

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