This is an explanation of the Cryptography challenge 'New Caesar' from CyLab Security Academy (formerly picoCTF). You are provided with a short ciphertext and the single Python script that created it.

First up we talk with Threatlocker CTO Michael Jenkins about threat actors use of AI and keeping the bad things out with Zero ...

A Paradigm Shift from CPA-Focused to Value-Based Bidding (VBB)The current digital marketing landscape is undergoing an ...

Cisco Talos has released CAIRN, an open-source toolkit designed to hunt, classify and track AI-integrated malware by ...

In June 2026, Zscaler ThreatLabz identified a new malware family, tracked as SloppyRAT, that is likely leveraged by a ransomware-related threat actor. ThreatLabz observed SloppyRAT being delivered ...

• Broken MCP tool calls silently cost real money. Across our agent fleet, seven small MCP-server bugs burned ~$499K/year in tokens and 12,000 eng-hours/year ($1.2M lost) because agents quietly retry ...

It's about the mistakes that make a running program wrong. Below are seven of them. For each one you get the hidden cause, plus the first thing worth checking. Some Python bugs announce themselves ...

Microsoft Threat Intelligence has observed a TerminalFix campaign, a variant of ClickFix, targeting organizations across multiple industries. The campaign uses compromised websites to display a fake ...

Today we’re proud to announce that Metasploit Framework version 6.5 has been released. Over the past two years, with the help of countless contributors, we’ve added 422 new modules along with a whole ...

Armored Likho APT uses AI-generated malware, phishing, and BusySnake Stealer to target governments and power grids in Russia, Kazakhstan, and Brazil. Kaspersky’s threat research team has documented a ...

BusySnake Stealer, a previously undocumented Python-based infostealer actively deployed by an emerging APT we track as Armored Likho (aka Eagle Werewolf). BusySnake is purpose-built for Windows and ...

macOS.Gaslight: DPRK Rust implant for Mac with a prompt injection payload designed to fool AI-based malware analysts. SentinelLabs researchers spotted a Rust-based macOS implant, dubbed macOS.Gaslight ...