DataBreaches.Net

Menu
  • About
  • Breach Notification Laws
  • Privacy Policy
  • Transparency Report
Menu

Yahoo tells users they were hit with cookie attack

Posted on February 16, 2017 by Dissent

Laura Hautala reports:

Yahoo users found out Wednesday that hackers used a technical trick with cookies to log into their accounts without passwords.

“Based on the ongoing investigation, we believe a forged cookie may have been used in 2015 or 2016 to access your account,” Yahoo users were told in an email.

Yahoo revealed the attack in December but the news was largely overlooked. The company made the announcement at the same time it revealed a separate security breach that took place in 2013, in which hackers stole information on 1 billion Yahoo accounts.

This little cookie attack didn’t stand a chance of getting noticed when standing right next to the biggest data breach on record, even though it used a sophisticated technique that’s a little frightening.

Read more on CNET.

Category: Business SectorHackU.S.

Post navigation

← PharmaNet breach compromises personal information of 7,500 B.C. residents, says province
TxDOT computer system in “security incident” →

Now more than ever

"Stand with Ukraine:" above raised hands. The illustration is in blue and yellow, the colors of Ukraine's flag.

Search

Browse by Categories

Recent Posts

  • Dublin ETB fined €125,000 for data protection breaches
  • From $5,000 to $800,000: Days Apart, OCR Security Settlements Show Puzzling Math
  • Liberty Township in Ohio has recovered its network after a ransomware attack
  • Marquette County Medical Care Facility discloses data breach
  • Industry Letter – June 23, 2025: Impact to Financial Sector of Ongoing Global Conflicts
  • MNGI Digestive Health settles class action lawsuit stemming from BlackCat attack
  • Four REvil ransomware members released after time served on carding charges
  • Why Dumping Sensitive Data on Network Shares is a Liability
  • A militarily degraded Iran may turn to asymmetrical warfare – raising risk of proxy and cyber attacks
  • Pro-Russian hackers disrupt Dutch government websites ahead of NATO summit

No, You Can’t Buy a Post or an Interview

This site does not accept sponsored posts or link-back arrangements. Inquiries about either are ignored.

And despite what some trolls may try to claim: DataBreaches has never accepted even one dime to interview or report on anyone. Nor will DataBreaches ever pay anyone for data or to interview them.

Want to Get Our RSS Feed?

Grab it here:

https://databreaches.net/feed/

RSS Recent Posts on PogoWasRight.org

  • How Internet of Things devices affect your privacy – even when they’re not yours
  • Sky Views Personal Data as a Potential Weapon in IPTV Piracy War
  • Florida Used a Nationwide Surveillance Camera Network 250 Times To Aid in Immigration Arrests
  • Federal Court Strikes Down HIPAA Reproductive Health Care Privacy Rule
  • The Markup caught 4 more states sharing personal health data with Big Tech
  • Privacy in the Big Sky State: Montana’s Consumer Privacy Law Gets Amended
  • UK Passes Data Use and Access Regulation Bill

Have a News Tip?

Email: Tips[at]DataBreaches.net

Signal: +1 516-776-7756

Contact Me

Email: info[at]databreaches.net

Mastodon: Infosec.Exchange/@PogoWasRight

Signal: +1 516-776-7756

DMCA Concern: dmca[at]databreaches.net
© 2009 – 2025 DataBreaches.net and DataBreaches LLC. All rights reserved.