Top 5 Cybersecurity News

Top 5 Cybersecurity News October 2, 2026: Cisco SD-WAN zero-day, WSO2 CVSS 10 auth bypass, Citrix backdoors persist, Apple CoreGraphics exploit, GUTcert breach.

This week’s Top 5 Cybersecurity News for October 2, 2026 follows a pattern that has been building across the year: attackers are targeting the layers that other infrastructure trusts. A critical-severity zero-day in Cisco’s SD-WAN Manager — the console that programs an entire enterprise WAN — arrived in CISA’s Known Exploited Vulnerabilities catalog on September…

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GUTcert critical infrastructure data breach

A breach at certifier GUTcert exposed German critical infrastructure data; energy utility ENTEGA confirms it is a downstream victim.

A GUTcert critical infrastructure data breach has exposed roughly 640 GB of documentation submitted by German energy-grid operators as certification evidence, including exact substation locations and network topology maps. On September 24, Darmstadt utility ENTEGA AG confirmed it is a downstream victim, and more operators are expected to come forward. What Happened GUTcert is a…

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Energy Sector Cybersecurity: Recent European Cyberattacks Highlight the Risk

energy sector cybersecurity

Energy sector cybersecurity has long been a point of strategic leverage in Europe. In recent years, that leverage has extended beyond physical infrastructure into the digital systems that support generation, distribution, and coordination across the grid. Recent cyber incidents have brought this into sharper focus. While each attack appears isolated, they collectively point to a…

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Top 5 Cybersecurity News Stories April 17, 2026

News Stories April 17

This week’s Top 5 Cybersecurity News Stories April 17, 2026 are not a recap, they are a strategic read of where risk is concentrating. This week highlights simultaneous stress across patching ecosystems, financial systems, AI‑driven vulnerability discovery, trusted SaaS integrations, and critical infrastructure. These signals point to quiet but compounding failures inside platforms many organisations…

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February 2026 Cybersecurity Round-Up

February 2026

If there’s anything the world will remember February 2026 for, it’s the war that started in the Middle East on the final day of the month. However, for those with an interest in cybersecurity, the preceding 27 days also provided a lot of noteworthy news. Here’s a roundup of the key cyberattacks and CVEs we…

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