Cybersecurity Blog
Insights, technical guides and analysis from the Secra team on the latest cybersecurity threats and trends.
April 2026 Patch Tuesday: Critical Vulnerabilities
Analysis of April 2026 Patch Tuesday: 168 CVEs, an actively exploited SharePoint zero-day, and a wormable TCP/IP RCE vulnerability.
NIS2 in Spain: A Compliance Guide for 2026
Practical guide to NIS2 compliance in Spain: obligations, deadlines, penalties, and actionable steps for businesses operating in 2026.
How to Root an Android AVD for Pentesting with Burp Suite
Step-by-step guide to root Android Studio's AVD emulator, install Magisk and set up Burp Suite certificate for mobile app security testing
Cyberattacks on education sector: real cases 2026
Analysis of cyberattacks on the education sector: ransomware, phishing and data leaks with real cases, MITRE ATT&CK TTPs and lessons learned.
Cybersecurity for schools and education sector 2026
Cybersecurity guide for schools and universities: threats, NIS2 and GDPR compliance, technical audits and protection of minors' data.
Software Supply Chain Attacks: A 2026 Threat Guide
Learn how software supply chain attacks threaten organizations in 2026 and how DevSecOps and SCA tools can protect your pipeline.
OWASP Top 10 2025: Business Web Vulnerabilities
OWASP Top 10 2025 guide to web vulnerabilities impacting businesses, with examples, standards mapping, and practical testing advice.
White Box vs Black Box vs Gray Box Testing: Key Differences Explained
Understand the key differences between white box, black box, and gray box penetration testing: when to use each approach, their advantages, limitations, and which is best for your organization.
The 5 Most Common Web Vulnerabilities in 2026
A detailed analysis of the most frequent web vulnerabilities found in security audits during 2026, with practical examples and mitigation strategies.