WeedHack, DarkSword, and more.

From a massive DOGE data breach and the hacking of critical energy and water systems to the hack of an FBI surveillance system, here are the most damaging security incidents and data breaches of 2026.

If you're a Fidelity Investments customer, you may be eligible for a payout stemming from the financial giant's recent $2.5 million data breach settlement. Fidelity and its subsidiary, Fidelity Brokerage Services agreed to the deal on May 13,

A data breach at Booking.com, the global accommodation website, has seen “unauthorized third parties” be able to access customer information. “We recently noticed some suspicious activity involving unauthorized third parties being able to access some ...

Add Yahoo as a preferred source to see more of our stories on Google. Charter Communications, the provider of Spectrum cable, internet and phone services, is headquartered in this two-building complex at 400 Washington Blvd., in Stamford, Conn. (Arnold ...

ADT confirmed a data breach exposing customer names, addresses, phone numbers, and partial SSNs, with millions of records reportedly affected. ADT says its home security systems were not compromised in a recent data breach, but customer information was ...

Three US senators have introduced a bill on Thursday that will make it mandatory for companies to report breaches to customers within 30 days, but also carries fines and possible prison time for execs who conceal breaches from users and authorities.

Personal information and data compromises are on the rise. Within the first six months of 2026, it’s estimated that 471.2 million data breach victim notices have been sent, according to Identity Theft Resource Center’s (ITRC) 2026 Data Breach Report,