1 January 2026

The Worst Hacks of 2025

Lily Hay Newman

It was a strange year in cyberspace, as US president Donald Trump and his administration launched foreign policy initiatives and massive changes to the federal government that have had significant geopolitical ramifications. Through it all, the steady drumbeat kept pounding of data breaches, leaks, ransomware attacks, digital extortion cases, and state-sponsored attacks that have unfortunately become a backdrop of daily life.

Here's WIRED's look back on this year's most significant breaches, hacking sprees, and digital attacks. Stay alert, and stay safe out there.

Salesforce Integrations

Attackers grabbed data from the sales management giant Salesforce in at least two breaches this year—but they didn't compromise Salesforce directly. Instead, the group breached third-party Salesforce contractor integrations, including those of Gainsight and Salesloft.

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