The Mandos Brief

Weekly cybersecurity market intelligence

Market pulse, proprietary signals from 9,000+ tracked products and 3,200+ vendors, and the CISO buyer take. Ten minutes, every Monday.

Three sections. Ten minutes. Every Monday.

The cybersecurity market, made readable in the time it takes to drink your coffee.

Market Pulse

The week's biggest cybersecurity funding rounds, M&A deals, and category shifts. With a "what it signals" column, so you know what each move means for your competitive landscape.

Mandos Signal

One proprietary data story per week, pulled from CybersecTools (9,000+ products tracked) and CybersecRadars (3,200+ vendors). Momentum gainers, hiring trends, category leadership shifts. Insights you cannot get anywhere else.

CISO Take

Thirteen years on the cybersecurity buyer side, translated into concrete advice on what would actually move a CISO this week and what would not.

What you get in every issue

Three sections. Built to make the cybersecurity market readable in ten minutes.

Section 1 / 3 min

Market Pulse

The week's biggest funding rounds, M&A deals, and category shifts. Each row tagged with what it signals for the competitive landscape.

Section 2 / 5 min

Mandos Signal

One proprietary data story per week from 9,000+ tracked products and 3,200+ vendors. Momentum, hiring, mindshare, category leadership. Insights you cannot get anywhere else.

Section 3 / 2 min

CISO Take

Thirteen years on the cybersecurity buyer side, translated into concrete advice on what would actually move a CISO this week and what would not.

Recent briefs

Browse the archive of past issues.

Newsletter mandos brief cybersecurity newsletter by nikoloz kokhreidze
Mar 16, 2025 9 min read

Brief #95: GitHub Action Backdoor, Microsoft Zero-Days, GitGuardian's Secrets Report

A major GitHub Action used by 23,000+ repos was compromised, leaking CI/CD secrets. Google's Red Team simulates real-world attacks. New AI security agents learn organizational context for better threat detection.

Newsletter mandos cybersecurity leadership newsletter issue for week 10 of 2025
Mar 9, 2025 9 min read

Brief #94: ESXi Server Attacks, Webcam-Based Ransomware, Google's AI Red Team Path

80% of organizations struggle to identify high-risk data in hybrid clouds. State actors bypass MFA via LinkedIn/WhatsApp social engineering. Anthropic's Claude outperforms GPT-4o in security testing.

Newsletter mandos brief newsletter week 9 of 2025 cybersecurity leadership
Mar 2, 2025 9 min read

Brief #93: Trump Drops Russia Threats, Microsoft Copilot Leaks Private Data, NVIDIA's AI Red Teams

Two critical Microsoft Copilot vulnerabilities exposing private repos and corporate data. Orange Group confirms 12,000 files stolen by HellCat ransomware affiliate. jQuery dominates high-risk OSS flaws.

Newsletter mandos brief cybersecurity leadership newsletter week 8 of 2025
Feb 23, 2025 9 min read

Brief #92: Russian APTs Target Signal, GitHub Security Issues, Importance of Career Growth

Security architects face limited career growth, GoLang backdoor using telegram as C2 channel, 86% of orgs have exposed secrets in private GitHub repos

Newsletter mandos brief cybersecurity leadership newsletter week 7 of 2025
Feb 16, 2025 9 min read

Brief #91: AWS AMI Attack, NVIDIA Container Escape, InfoSec Salaries

Malicious AI models found on Hugging Face. Multiple PE firms compete for Trend Micro. Security leadership salaries reach $261.5K median

Newsletter mandos brief cybersecurity newsletter week 6 of 2025
Feb 9, 2025 9 min read

Brief #90: Microsoft Outlook RCE, Cloud Security Certs, OpenAI EU Data Centers

Major ASP.NET security breach affects thousands. AI platforms face new security challenges as malicious code discovered in ML models

Newsletter mandos brief cybersecurity leadership newsletter week 5 of 2025
Feb 2, 2025 9 min read

Brief #89: DeepSeek AI Breach, TeamViewer Zero-Day, AWS Security Automation

Critical vulnerabilities in TeamViewer and Apple M-Series chips expose millions to attacks. ESXi ransomware actors evolve tactics using SSH tunneling

Newsletter mandos brief newsletter for cybersecurity leaders week 4 of 2025
Jan 26, 2025 9 min read

Brief #88: PayPal Security Fine, Cisco's AI-SOC, Critical Palo Alto Vulnerabilities

Subaru's admin panel flaw enabled unauthorized vehicle control. ChatGPT crawler vulnerability enables DDoS attacks.

Newsletter Mandos Brief week 3 of 2025 - newsletter for cybersecurity professionals and leaders
Jan 19, 2025 9 min read

Brief #87: AWS S3 Ransomware, Google's 97% Automated Threat Detection, Microsoft AI Red Team Report

Critical AWS S3 ransomware campaign discovered. Snyk uploads suspicious NPM packages. Microsoft UEFI vulnerability enables Secure Boot bypass.

Stop guessing what is moving in the cybersecurity market

Subscribe to The Mandos Brief: weekly market intelligence backed by 9,000+ tracked products and 3,200+ vendors. Ten minutes, every Monday.