The biggest cyber attacks of 2026 so far: Key lessons for businesses
Updated August 2026: This article has been updated with major cyber incidents disclosed since its original publication in June, including attacks affecting software supply chains, government systems and communications platforms.
As 2026 approaches its halfway point, cyber attackers have caused major disruption, exposed sensitive data and targeted some of the systems organisations depend on most. This year has seen high-profile attacks affecting government data, critical infrastructure, healthcare technology, education platforms and software supply chains. From destructive cyber activity and cloud-based breaches to attacks on OT and open source tools, the trend is clear: cyber risk is here to stay and is constantly evolving.
