Web site names ending in new top-level domains (TLDs) like .men, .work and .click are some of the riskiest and spammy-est on the Internet, according to experts who track such concentrations of badness online. Not that there still aren’t a whole mess of nasty .com, .net and .biz domains out the...
Last month’s story about organizations exposing passwords and other sensitive data via collaborative online spaces at Trello.com only scratched the surface of the problem. A deeper dive suggests a large number of government agencies, marketing firms, healthcare organizations and IT support com...
Google is reminding organizations to review how much of their Google Groups mailing lists should be public and indexed by Google.com. The notice was prompted in part by a review that KrebsOnSecurity undertook with several researchers who’ve been busy cataloging thousands of companies that are ...
For as long as scam artists have been around so too have opportunistic thieves who specialize in ripping off other scam artists. This is the story about a group of Pakistani Web site designers who apparently have made an impressive living impersonating some of the most popular and well known “...
The past month has seen one blockbuster revelation after another about how our mobile phone and broadband providers have been leaking highly sensitive customer information, including real-time location data and customer account details. In the wake of these consumer privacy debacles, many are left w...
Federal prosecutors have charged three men with carrying out a deadly hoax known as “swatting,” in which perpetrators call or message a target’s local 911 operators claiming a fake hostage situation or a bomb threat in progress at the target’s address — with the expecta...
T-Mobile is investigating a retail store employee who allegedly made unauthorized changes to a subscriber’s account in an elaborate scheme to steal the customer’s three-letter Instagram username. The modifications, which could have let the rogue employee empty bank accounts associated wi...
LocationSmart, a U.S. based company that acts as an aggregator of real-time data about the precise location of mobile phone devices, has been leaking this information to anyone via a buggy component of its Web site — without the need for any password or other form of authentication or authoriz...
I spent a few days last week speaking at and attending a conference on responding to identity theft. The forum was held in Florida, one of the major epicenters for identity fraud complaints in United States. One gripe I heard from several presenters was that identity thieves increasingly are finding...
Facebook has built some of the most advanced algorithms for tracking users, but when it comes to acting on user abuse reports about Facebook groups and content that clearly violate the company’s “community standards,” the social media giant’s technology appears to be woefully...
In 2016, KrebsOnSecurity exposed a network of phony Web sites and fake online reviews that funneled those seeking help for drug and alcohol addiction toward rehab centers that were secretly affiliated with the Church of Scientology. Not long after the story ran, that network of bogus reviews disappe...
Hours after being alerted by KrebsOnSecurity, Facebook last week deleted almost 120 private discussion groups totaling more than 300,000 members who flagrantly promoted a host of illicit activities on the social media network’s platform. The scam groups facilitated a broad spectrum o...
The Internal Revenue Service has been urging tax preparation firms to step up their cybersecurity efforts this year, warning that identity thieves and hackers increasingly are targeting certified public accountants (CPAs) in a bid to siphon oodles of sensitive personal and financial data on taxpayer...
Social media sites are littered with seemingly innocuous little quizzes, games and surveys urging people to reminisce about specific topics, such as “What was your first job,” or “What was your first car?” The problem with participating in these informal surveys is that in do...
The U.S. Secret Service is warning financial institutions about a new scam involving the temporary theft of chip-based debit cards issued to large corporations. In this scheme, the fraudsters intercept new debit cards in the mail and replace the chips on the cards with chips from old cards. When the...
A story published here last week warned readers about a vast network of potentially malicious Web sites ending in “.cm” that mimic some of the world’s most popular Internet destinations (e.g. espn[dot]cm, aol[dot]cm and itunes[dot].cm) in a bid to bombard visitors with fake securit...
A story published here this week revealed the real-life identity behind the original creator of Coinhive — a controversial cryptocurrency mining service that several security firms have recently labeled the most ubiquitous malware threat on the Internet today. In an unusual form of protest aga...
Take care when typing a domain name into a browser address bar, because it’s far too easy to fat-finger a key and wind up somewhere you don’t want to go. For example, if you try to visit some of the most popular destinations on the Web but omit the “o” in .com (and type .cm i...
Multiple security firms recently identified cryptocurrency mining service Coinhive as the top malicious threat to Web users, thanks to the tendency for Coinhive’s computer code to be used on hacked Web sites to steal the processing power of its visitors’ devices. This post looks at how C...
Adrian Lamo, the hacker probably best known for breaking into The New York Times‘s network and for reporting Chelsea Manning‘s theft of classified documents to the FBI, was found dead in a Kansas apartment on Wednesday. Lamo was widely reviled and criticized for turning in Manning, but t...
