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Threat Intelligence

Latest cybersecurity threats, attack trends, and threat intelligence reports

The Most Dangerous Vulnerabilities From April-May 2026: What To Patch Now

May 7, 2026 by PlainlySec Team
PlainlySec cover for dangerous vulnerabilities in April and May 2026

A practical April-May 2026 vulnerability patch guide covering the most urgent exposed systems, what to patch first, how to reduce exposure, and what to monitor.

Categories Threat Intelligence Tags CISA KEV, cPanel, Fortinet, Linux, Microsoft, Patch Management, Threat Intelligence, Vulnerability Management Leave a comment

AI Agent Security: When MCP Servers Become Attack Vectors

May 3, 2026 by PlainlySec Team

MCP (Model Context Protocol) gives AI assistants tool access to your filesystem, databases, and APIs — and attackers are already exploiting it. Learn the threat model, real attack scenarios, detection with Sigma rules, and how to harden your AI development environment.

Categories Threat Intelligence Tags AI Security, MCP, Prompt Injection

Threat Hunting with MITRE ATT&CK: Find Attackers Before Alarms Fire

May 4, 2026May 2, 2026 by PlainlySec Team

Learn proactive threat hunting using MITRE ATT&CK framework. Hunt for living-off-the-land attacks, credential dumping, and lateral movement using Sigma rules, Velociraptor VQL, and Wazuh.

Categories Threat Intelligence

Cloud Misconfigurations That Caused Real Breaches

May 4, 2026May 2, 2026 by PlainlySec Team

Real-world cloud security failures in AWS, Azure, and GCP: open S3 buckets, leaked IAM keys, overpermissioned roles, Capital One breach analysis, and tools (Prowler, ScoutSuite, Pacu) to find issues before attackers do.

Categories Threat Intelligence

Cloud Security: AWS, Azure and GCP Misconfigurations That Lead to Breaches

May 4, 2026May 2, 2026 by PlainlySec Team

The most dangerous cloud security misconfigurations in AWS, Azure, and GCP with real detection commands and remediation steps. Exposed S3 buckets, IMDS exploitation, IAM privilege escalation, and more.

Categories Threat Intelligence

Zero-Day Brokers and Exploitation Trends in 2026

May 1, 2026 by PlainlySec Team

The zero-day market reached record prices in 2026. Browser exploits, mobile OS flaws, and network device vulnerabilities commanded millions. Learn how the ecosystem works and what it means for defense.

Categories Threat Intelligence

Supply Chain Attacks in 2026: The Invisible Threat

May 1, 2026 by PlainlySec Team

Supply chain attacks exploded in 2026. From malicious npm packages to compromised CI/CD pipelines, attackers found that targeting software suppliers was more efficient than attacking each victim directly.

Categories Threat Intelligence

Critical Infrastructure Under Fire: OT/ICS Attacks in 2026

May 1, 2026 by PlainlySec Team

Nation-state actors intensified attacks on operational technology in 2026. Water treatment facilities, power grids, and manufacturing plants became prime targets. Here’s how these attacks unfold and what defenders must do.

Categories Threat Intelligence

Deepfake Fraud: When Seeing Is No Longer Believing

May 1, 2026 by PlainlySec Team

In 2026, deepfake technology became accessible enough for mid-tier criminal groups. Real-time video impersonation caused millions in losses. Learn how these attacks work and how to verify identity.

Categories Threat Intelligence

Ransomware in 2026: The Double Extortion Evolution

May 1, 2026 by PlainlySec Team

Ransomware gangs in 2026 evolved beyond file encryption. Triple extortion, RaaS 3.0, and critical infrastructure targeting defined the year. Here’s what happened and how to protect yourself.

Categories Threat Intelligence
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