Category Archives: A Little Sunshine

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

Infrastructure Laundering: Blending in with the Cloud

January 30, 2025

In an effort to blend in and make their malicious traffic tougher to block, hosting firms catering to cybercriminals in China and Russia increasingly are funneling their operations through major U.S. cloud providers. Research published this week on one such outfit — a sprawling network tied to Chinese organized crime gangs and aptly named “Funnull” — highlights a persistent whac-a-mole problem facing cloud services.

A Tumultuous Week for Federal Cybersecurity Efforts

January 27, 2025

President Trump last week issued a flurry of executive orders that upended a number of government initiatives focused on improving the nation’s cybersecurity posture. The president fired all advisors from the Department of Homeland Security’s Cyber Safety Review Board, called for the creation of a strategic cryptocurrency reserve, and voided a Biden administration action that sought to reduce the risks that artificial intelligence poses to consumers, workers and national security.

MasterCard DNS Error Went Unnoticed for Years

January 22, 2025

The payment card giant MasterCard just fixed a glaring error in its domain name server settings that could have allowed anyone to intercept or divert Internet traffic for the company by registering an unused domain name. The misconfiguration persisted for nearly five years until a security researcher spent $300 to register the domain and prevent it from being grabbed by cybercriminals.

Chinese Innovations Spawn Wave of Toll Phishing Via SMS

January 16, 2025

Residents across the United States are being inundated with text messages purporting to come from toll road operators like E-ZPass, warning that recipients face fines if a delinquent toll fee remains unpaid. Researchers say the surge in SMS spam coincides with new features added to a popular commercial phishing kit sold in China that makes it simple to set up convincing lures spoofing toll road operators in multiple U.S. states.

A Day in the Life of a Prolific Voice Phishing Crew

January 7, 2025

Besieged by scammers seeking to phish user accounts over the telephone, Apple and Google frequently caution that they will never reach out unbidden to users this way. However, new details about the internal operations of a prolific voice phishing gang show the group routinely abuses legitimate services at Apple and Google to force a variety of outbound communications to their users, including emails, automated phone calls and system-level messages sent to all signed-in devices.

U.S. Army Soldier Arrested in AT&T, Verizon Extortions

December 30, 2024

Federal authorities have arrested and indicted a 20-year-old U.S. Army soldier on suspicion of being Kiberphant0m, a cybercriminal who has been selling and leaking sensitive customer call records stolen earlier this year from AT&T and Verizon. As first reported by KrebsOnSecurity last month, the accused is a communications specialist who was recently stationed in South Korea.

Web Hacking Service ‘Araneida’ Tied to Turkish IT Firm

December 19, 2024

Cybercriminals are selling hundreds of thousands of credential sets stolen with the help of a cracked version of Acunetix, a powerful commercial web app vulnerability scanner, new research finds. The cracked software is being resold as a cloud-based attack tool by at least two different services, one of which KrebsOnSecurity traced to an information technology firm based in Turkey.

How to Lose a Fortune with Just One Bad Click

December 18, 2024

Adam Griffin is still in disbelief over how quickly he was robbed of nearly $500,000 in cryptocurrencies. A scammer called using a real Google phone number to warn his Gmail account was being hacked, sent email security alerts directly from google.com, and ultimately seized control over the account by convincing him to click “yes” to a Google prompt on his mobile device.

How Cryptocurrency Turns to Cash in Russian Banks

December 11, 2024

A financial firm registered in Canada has emerged as the payment processor for dozens of Russian cryptocurrency exchanges and websites hawking cybercrime services aimed at Russian-speaking customers, new research finds. Meanwhile, an investigation into the Vancouver street address used by this company shows it is home to dozens of foreign currency dealers, money transfer businesses, and cryptocurrency exchanges — none of which are physically located there.