Troy Hunt – Network Securitas

December 3, 2017

Hacked Password Service Leakbase Goes Dark

This post was originally published on this siteLeakbase, a Web site that indexed and sold access to billions of usernames and passwords stolen in some of the world largest data breaches, has closed up shop. A source close to the matter says the service was taken down in a law enforcement sting that may be tied to the Dutch police raid of the Hansa dark web market earlier this year. Leakbase[dot]pw began selling memberships in September 2016, advertising more than two billion usernames and passwords that were stolen in high-profile breaches at sites like linkedin.com, myspace.com and dropbox.com. But roughly […]

December 4, 2018

A Breach, or Just a Forced Password Reset?

This post was originally published on this siteSoftware giant Citrix Systems recently forced a password reset for many users of its Sharefile content collaboration service, warning it would be doing this on a regular basis in response to password-guessing attacks that target people who re-use passwords across multiple Web sites. Many Sharefile users interpreted this as a breach at Citrix and/or Sharefile, but the company maintains that’s not the case. Here’s a closer look at what happened, and some ideas about how to avoid a repeat of this scenario going forward. The notice sent to ShareFile users looked like this: Dozens […]

January 17, 2019

773M Password ‘Megabreach’ is Years Old

This post was originally published on this siteMy inbox and Twitter messages positively lit up today with people forwarding stories from Wired and other publications about a supposedly new trove of nearly 773 million unique email addresses and 21 million unique passwords that were posted to a hacking forum. A story in The Guardian breathlessly dubbed it “the largest collection ever of breached data found.” But in an interview with the apparent seller, KrebsOnSecurity learned that it is not even close to the largest gathering of stolen data, and that it is at least two to three years old. The […]

May 19, 2020

Ukraine Nabs Suspect in 773M Password ‘Megabreach’

This post was originally published on this siteIn January 2019, dozens of media outlets raised the alarm about a new “megabreach” involving the release of some 773 million stolen usernames and passwords that was breathlessly labeled “the largest collection of stolen data in history.” A subsequent review by KrebsOnSecurity quickly determined the data was years old and merely a compilation of credentials pilfered from mostly public data breaches. Earlier today, authorities in Ukraine said they’d apprehended a suspect in the case. The Security Service of Ukraine (SBU) on Tuesday announced the detention of a hacker known as Sanix (a.k.a. “Sanixer“) […]