We don’t yet know the root cause(s) that forced Marriott this week to disclose a four-year-long breach involving the personal and financial information of 500 million guests of its Starwood hotel properties. But anytime we see such a colossal intrusion go undetected for so long, the ultimate cause is usually a failure to adopt the most important principle in cybersecurity defense that applies to both corporations and consumers: Assume you are compromised.
Marriott Data Breach Is Traced to Chinese Hackers as U.S. Readies Crackdown on Beijing (Published 2018)
The Trump administration is expected to indict hackers and roll out import restrictions out of concern that Beijing will not easily change its trade, cyber and economic practices.
Marriott data breach: Here's what you can do | Firefox Monitor | The Mozilla Blog
This morning when I drove back from the gym, I heard news about the Marriott data breach on the radio. I thought back to all the times I’ve stayed in a M
Mercor Breach Linked to LiteLLM Supply-Chain Attack
A LiteLLM supply-chain compromise enabled attackers to harvest credentials and access internal environments at scale at Mercor. The firm was the first to confirm a
Maybe we have the cybersecurity we deserve
Companies have focused more on making the consumer recovery process from fraud and data breaches easier than on better security. Most people seem OK with that.
Mercor on Twitter / X
The privacy and security of our customers and contractors is foundational to everything we do at Mercor. We recently identified that we were one of thousands of companies impacted by a supply chain attack involving LiteLLM.Our security team moved promptly to contain and…— Mercor (@mercor_ai) March 31, 2026
Breach at Equifax May Impact 143M Americans – Krebs on Security
Equifax, one of the “big-three” U.S. credit bureaus, said today a data breach at the company may have affected 143 million Americans, jeopardizing consumer Social Security numbers, birth dates, addresses and some driver’s license numbers.
At World’s Largest Hedge Fund, Sex, Fear and Video Surveillance (Published 2016)
One employee’s complaint, as well as interviews with people who have worked for Bridgewater, describe an atmosphere of surveillance that silences those who don’t fit the mold.
Data Leeks: Made with love, leaked by hackers | The Mozilla Blog
Data breaches are on the rise. According to web security experts, the frequency of data breaches almost doubled from 2016 to 2017, and 73% of all U.S. comp
Fridge hack costing millions and sparking fires stemmed from poor security
Incident hitting 700 supermarkets exploited outdated devices exposed to the Internet.
Millions of users exposed as Japan data breaches continue to surge | The Asahi Shimbun Asia & Japan Watch
H2O Retailing Corp. is the latest major company among the many in Japan that are disclosing massive data breaches almost daily, which are exposing millions of customer records and revealing weaknesses in corporate cybersecurity.
Have I Been Pwned: AfD Data Breach
In September 2026, the German political party Alternative für Deutschland (AfD) suffered a data breach which exposed 345k unique email addresses. The following month, hundreds of gigabytes of data containing hundreds of thousands of emails and attachments was published online, with searchable AI-generated summaries and downloadable original files. An analysis of the incident reported that the breach was detected as early as 9 September, with a subsequent intrusion occurring five days later. In its public statement, AfD attributed the breach to an attack on a hosting provider, identified in subsequent reporting as the party-owned Alternita Dienstleistungs GmbH.
Dialog Claims It Was Hacked. A Misconfigured Website Left Its Members Exposed
The private events group, cofounded by Peter Thiel, says a “criminal” hacker is behind a breach that exposed members’ personal details. WIRED found no evidence a break-in was needed to access the files.
DHH Nazism Funded by 1Password VP Who Wrote “Honest Security”
Jason Meller wrote a security rulebook. I read it. He is in direct violation of it.
A CISO's Guide to Avoiding Jail After a Breach
Yahoo, Uber, SolarWinds — increasingly, the government is incentivizing better corporate security by punishing the individuals leading it. Is that a good idea? And how can security pros avoid ending up on the butt end of a lawsuit?
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Updated: Data Breaches Caused by Leaks in 2024
We’re tracking data breaches that are most likely caused by leaked secrets and keeping this page up-to-date.
Security Update: Suspected Supply Chain Incident | liteLLM
As of 2:00 PM ET on March 24, 2026
