Found 25 results · Category: advisories · Severity: critical
CRITICAL advisories Full article

PHP Vulnerability Wrap-Up

This morning, we returned to Infocon Green. As usual, we are raising the Infocon to alert you to emerging situations requiring immediate attention. PHP fit that description. By now, you either know ab

CRITICAL advisories Full article

October 2026 Microsoft Patch Tuesday

Microsoft today released patches for 1,417 vulnerabilities. 76 of these vulnerabilities are rated critical, with 7 critical vulnerabiilties requiring no customer actions. One vulnerability was disclos

CRITICAL advisories Full article

Scans for Atlassian vulnerablity (CVE-2026-21589)

On October 5th, Atlassian published patches&&#x23&#x3b;x26&#x3b;&#x23&#x3b;xc2&#x3b;&&#x23&#x3b;x26&#x3b;&#x23&#x3b;xa0&#x3b;for multiple products to fix an "Arbitrary File Access" vulnerability &&#x2

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More RMM Tools In the Wild

It seems that a trend started… I continue my journey discovering more RMM ("Remote Management & Monitoring") tools abused by threat actors! A few days ago, I

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ScreenConnect Client (Ab)used by Attackers

Threat Actors do not always use top-notch techniques or very complex malware to perform their attacks. Sometimes, they just abuse of existing applications... 

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TerminalFix: PNG Steganography

Microsoft Security Research published an interesting blog post " TerminalFix campaign deploys a reverse tunnel through multistage intrusion " about a malware campaign. The aspect that I want to take a

CRITICAL advisories Full article

Scans for Proxmox Servers

About a week ago, Proxmox published an advisory revealing a vulnerability in older versions of Proxmox VE, its flagship Virtual Environment product. The vulnerability only affects version 7, which has

CRITICAL advisories Full article

September 2026 Microsoft Patch Tuesday

This month, Microsoft released patches for a record-breaking 973 vulnerabilities, including 113 rated critical. It is by far the largest Patch Tuesday to date, well ahead of the previous high of 664 s

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Critical MikroTik Vulnerability - Patch Now

Mikrotik released a patch late last week for an already-exploited vulnerability. The vulnerability allows an SSH authentication bypass and is already being exploited. At this point, assume compromise.

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Some Malicious PE Stats

During my last FOR610 session, a student asked me if I had some statistics in mind about the compilers used to generate malicious PE files? A couple of months ago, I shared some stats about the t

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Obfuscating IP Addresses as Hostnames

It is pretty obvious that hostnames can replace IP addresses. Pretty much any software accepting an IP address will also accept a hostname as an argument. Last week, I wrote about scans for the cloud

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DOUBLECUP's PNG Payload

New malware that uses steganography always gets my attention, but I was disappointed when I looked at the latest DOUBLECUP write-up . It doesn&&#x23&#x3b;x26&#x3b;&#x23&#x3b;39&#x3b;t use real stegano

CRITICAL advisories Full article

Microsoft Patch Tuesday August 2026

This month we got patches for 418 vulnerabilities. Of these, 62 are critical, 1 is being exploited in the wild, and 2 were publicly disclosed as zero-days. Notable fixes include Windows privilege esca