Pierce County Library System Massively Pwned

The Pierce County Library System in Washington this week confirmed it notified 336,826 people of an April 2025 data breach that compromised names and dates of birth. Ransomware gang Inc took credit for the breach in May, saying it stole 1.94 TB of data including licenses, passports, and internal library documents. 

Rebecca Moody, Head of Data Research at Comparitech:

“As the sixth-largest data breach via ransomware this year so far (across all industries), this attack on Pierce County Library System highlights how organizations are not only facing disruptions to systems following these attacks but are also having to navigate the ongoing consequences of large-scale data breaches. It’s also a reminder that government organizations remain a key focus for hackers (we recently noted a 60% uptick in attacks on government entities when comparing H1 of 2024 to H1 of 2025).”

“Historically, attacks on government entities haven’t typically involved huge datasets as disruption to key systems has often been the primary focus for ransomware gangs. For example, we noted 233 confirmed attacks in 2023 with just over 1.5 million records breached. The number of attacks dipped in 2024 to 200 but the number of records breached rose to over 2.5 million. While this attack on Pierce County makes up the majority of records breached in government ransomware attacks this year so far (just under 350,000), I believe we’ll see a number of other significant breaches being confirmed in the coming months.”

Another day. Another huge breach. This isn’t good to say the least. At this point I am honestly not sure what it will take for things to change so that this sort of thing is not news anymore.

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