Pentagon contractor Leidos hit by data breach Internal documents leaked on cybercrime forum


Hackers have reportedly leaked internal documents stolen from Leidos Holdings Inc., a company with a significant contract portfolio including the US Defense Department, Homeland Security, and NASA.

A person with knowledge of the matter told Bloomberg News that the company believes the documents leaked by hackers were stolen during a previously disclosed breach at Diligent Corporation. Diligent Corporation is a governance software provider whose services were used by Leidos to host information gathered in internal investigations. “We have confirmed that this stems from a previous incident affecting a third-party vendor for which all necessary notifications were made in 2023,” a Leidos spokesperson said, adding the company’s network and sensitive customer data remain unaffected.

Read more…
Source: Computing


Sign up for our Newsletter


Related:

  • UK Visa Portal exposed thousands of applicants’ passports and selfies — then called the lawyers on us

    May 27, 2026

    A website called UK Visa Portal publicly exposed thousands of passports and selfie photos of applicants who paid the site to obtain a U.K. immigration visa. An anonymous person notified TechCrunch about the security lapse, saying that the website was exposing at least 100,000 documents from people who uploaded their passports and selfies to the website ...

  • NYC Health + Hospitals says hackers stole medical data affecting at least 1.8m people

    May 18, 2026

    New York public health provider NYC Health + Hospitals says a months-long data breach that allowed hackers to steal personal data, medical records, and fingerprints scans affects at least 1.8 million people. NYCHHC is the largest public health system in the United States and provides healthcare to over a million New Yorkers, the majority of whom are uninsured or ...

  • Water company’s leaky security earns near-£1M fine

    May 11, 2026

    The UK’s data protection watchdog has fined South Staffordshire Water’s parent company nearly £1 million over security failings exposed by the Cl0p ransomware attack in 2022. Issuing the fine of £963,900 ($1.3 million), the Information Commissioner’s Office (ICO) said the attack exposed “significant failures in the company’s approach to data security.” The attack, claimed by Cl0p, was detected ...

  • Canvas maker Instructure reveals data breach — confirms user personal information leaked

    May 5, 2026

    Instructure, the edtech giant behind the popular Canvas learning system, has confirmed suffering a cyberattack and losing sensitive customer data. The company issued a brief statement, confirming the hit, “While our investigation continues alongside our outside forensics experts, at this stage we believe the incident has been contained,” the notice reads. Instructure said the crooks accessed ...

  • Trellix confirms data breach after hack of ‘a portion’ of its source code

    May 5, 2026

    Cybersecurity giant Trellix has confirmed suffering a cyberattack in which threat actors accessed parts of its source code. In a brief announcement published on its website, Trellix said it had identified “unauthorized access to a portion of source code repository”. As soon as it spotted the intrusion, the company brought in third-party security experts to ...

  • More PayPal emails hijacked to deliver tech support scams

    April 30, 2026

    Scammers have found another way to get deceptive messages delivered through PayPal’s legitimate services. In December 2025, we reported that PayPal closed a loophole that let scammers send real emails with fake purchase notices. In those cases, scammers created a PayPal subscription and then paused it, which triggered PayPal’s genuine “Your automatic payment is no longer ...