Category Archives: A Little Sunshine

Includes investigative blog posts meant to shine a light on the darker corners of the Internet.

Top Suspect in 2015 Ashley Madison Hack Committed Suicide in 2014

July 7, 2023

When the marital infidelity website AshleyMadison.com learned in July 2015 that hackers were threatening to publish data stolen from 37 million users, the company’s then-CEO Noel Biderman was quick to point the finger at an unnamed former contractor. But as a new documentary series on Hulu reveals [SPOILER ALERT!], there was just one problem with that theory: Their top suspect had killed himself more than a year before the hackers began publishing stolen user data.

Who’s Behind the DomainNetworks Snail Mail Scam?

July 3, 2023

23 Comments

If you’ve ever owned a domain name, the chances are good that at some point you’ve received a snail mail letter which appears to be a bill for a domain or website-related services. In reality, these misleading missives try to trick people into paying for useless services they never ordered, don’t need, and probably will never receive. Here’s a look at the most recent incarnation of this scam — DomainNetworks — and some clues about who may be behind it.

SMS Phishers Harvested Phone Numbers, Shipment Data from UPS Tracking Tool

June 22, 2023

18 Comments

The United Parcel Service (UPS) says fraudsters have been harvesting phone numbers and other information from its online shipment tracking tool in Canada to send highly targeted SMS phishing (a.k.a. “smishing”) messages that spoofed UPS and other top brands. The missives addressed recipients by name, included details about recent orders, and warned that those orders wouldn’t be shipped unless the customer paid an added delivery fee.

Phishing Domains Tanked After Meta Sued Freenom

May 26, 2023

12 Comments

The number of phishing websites tied to domain name registrar Freenom dropped precipitously in the months surrounding a recent lawsuit from social networking giant Meta, which alleged the free domain name provider has a long history of ignoring abuse complaints about phishing websites while monetizing traffic to those abusive domains.

Re-Victimization from Police-Auctioned Cell Phones

May 16, 2023

11 Comments

Countless smartphones seized in arrests and searches by police forces across the United States are being auctioned online without first having the data on them erased, a practice that can lead to crime victims being re-victimized, a new study found. In response, the largest online marketplace for items seized in U.S. law enforcement investigations says it now ensures that all phones sold through its platform will be data-wiped prior to auction.

$10M Is Yours If You Can Get This Guy to Leave Russia

May 4, 2023

33 Comments

The U.S. government this week put a $10 million bounty on the head of a Russian man who for the past 18 years operated Try2Check, one of the cybercrime underground’s most trusted services for checking the validity of stolen credit card data. U.S. authorities say 43-year-old Denis Kulkov’s card-checking service made him at least $18 million, which he used to buy a Ferrari, Land Rover, and other luxury items.

Many Public Salesforce Sites are Leaking Private Data

April 27, 2023

40 Comments

A shocking number of organizations — including banks and healthcare providers — are leaking private and sensitive information from their public Salesforce Community websites, KrebsOnSecurity has learned. The data exposures all stem from a misconfiguration in Salesforce Community that allows an unauthenticated user to access records that should only be available after logging in.

3CX Breach Was a Double Supply Chain Compromise

April 20, 2023

17 Comments

We learned some remarkable new details this week about the recent supply-chain attack on VoIP software provider 3CX, a complex, lengthy intrusion that has the makings of a cyberpunk spy novel: North Korean hackers using legions of fake executive accounts on LinkedIn to lure people into opening malware disguised as a job offer; malware targeting Mac and Linux users working at defense and cryptocurrency firms; and software supply-chain attacks nested within earlier supply chain attacks.

Why is ‘Juice Jacking’ Suddenly Back in the News?

April 14, 2023

38 Comments

KrebsOnSecurity received a nice bump in traffic this week thanks to tweets from the Federal Bureau of Investigation (FBI) and the Federal Communications Commission (FCC) about “juice jacking,” a term first coined here in 2011 to describe a potential threat of data theft when one plugs their mobile device into a public charging kiosk. It remains unclear what may have prompted the alerts, but the good news is that there are some fairly basic things you can do to avoid having to worry about juice jacking.

FBI Seizes Bot Shop ‘Genesis Market’ Amid Arrests Targeting Operators, Suppliers

April 4, 2023

26 Comments

Several domain names tied to Genesis Market, a bustling cybercrime store that sold access to passwords and other data stolen from millions of computers infected with malicious software, were seized by the Federal Bureau of Investigation (FBI) today. Sources tell KrebsOnsecurity the domain seizures coincided with “dozens” of arrests in the United States and abroad targeting those who allegedly operated the service, as well as suppliers who continuously fed Genesis Market with freshly-stolen data.