Krebs on Security

JULY 15, 2024

At least a dozen organizations with domain names at domain registrar Squarespace saw their websites hijacked last week. Squarespace bought all assets of Google Domains a year ago, but many customers still haven’t set up their new accounts.

Accountability 256

Accountability Cryptocurrency Passwords DNS 256

Krebs on Security

JUNE 15, 2024

A 22-year-old man from the United Kingdom arrested this week in Spain is allegedly the ringleader of Scattered Spider , a cybercrime group suspected of hacking into Twilio , LastPass , DoorDash , Mailchimp , and nearly 130 other organizations over the past two years.

Hacking 275

Hacking Phishing Cybercrime Passwords 275

Krebs on Security

JULY 10, 2024

The Russia-based cybercrime group dubbed “ Fin7 ,” known for phishing and malware attacks that have cost victim organizations an estimated $3 billion in losses since 2013, was declared dead last year by U.S. authorities.

Phishing 252

Phishing Cybercrime Malware Software 252

Krebs on Security

JANUARY 30, 2024

authorities arrested a 19-year-old Florida man charged with wire fraud, aggravated identity theft, and conspiring with others to use SIM-swapping to steal cryptocurrency. 9, 2024, U.S. technology companies during the summer of 2022.

Social Engineering 315

Social Engineering Mobile Passwords Cybercrime 315

Krebs on Security

MARCH 22, 2024

The nonprofit organization that supports the Firefox web browser said today it is winding down its new partnership with Onerep , an identity protection service recently bundled with Firefox that offers to remove users from hundreds of people-search sites.

Media 259

Media Government Data breaches Marketing 259

Krebs on Security

FEBRUARY 28, 2024

Malicious hackers are targeting people in the cryptocurrency space in attacks that start with a link added to the target’s calendar at Calendly , a popular application for scheduling appointments and meetings. The attackers impersonate established cryptocurrency investors and ask to schedule a video conference call.

Malware 267

Malware Cryptocurrency Software Phishing 267

Krebs on Security

MAY 6, 2024

Virtual private networking (VPN) companies market their services as a way to prevent anyone from snooping on your Internet usage.

VPN 264

VPN Wireless Internet Internet 264

Krebs on Security

OCTOBER 17, 2023

based technology company Micfo LLC , has been sentenced to five years in prison for wire fraud. Amir Golestan , the 40-year-old CEO of the Charleston, S.C. Canada, and parts of the Caribbean.

Internet 298

Internet Internet VPN Marketing 298

Krebs on Security

JANUARY 25, 2024

Google continues to struggle with cybercriminals running malicious ads on its search platform to trick people into downloading booby-trapped copies of popular free software applications.

Software 258

Software Advertising Malware Accountability 258

Krebs on Security

OCTOBER 18, 2023

One of the oldest malware tricks in the book — hacked websites claiming visitors need to update their Web browser before they can view any content — has roared back to life in the past few months.

Scams 283

Scams Malware Cryptocurrency Hacking 283

Krebs on Security

APRIL 3, 2024

Roughly nine years ago, KrebsOnSecurity profiled a Pakistan-based cybercrime group called “ The Manipulaters ,” a sprawling web hosting network of phishing and spam delivery platforms.

Phishing 221

Phishing Cybercrime Malware Advertising 221

Krebs on Security

DECEMBER 13, 2022

InfraGard , a program run by the U.S. Federal Bureau of Investigation (FBI) to build cyber and physical threat information sharing partnerships with the private sector, this week saw its database of contact information on more than 80,000 members go up for sale on an English-language cybercrime forum.

Hacking 361

Hacking Energy and Utilities Cybercrime Accountability 361

Krebs on Security

APRIL 4, 2024

A cybercrook who has been setting up websites that mimic the self-destructing message service privnote.com accidentally exposed the breadth of their operations recently when they threatened to sue a software company.

Phishing 217

Phishing Cryptocurrency DDOS Internet 217

Krebs on Security

NOVEMBER 2, 2023

The login page for the criminal reshipping service SWAT USA Drop. One of the largest cybercrime services for laundering stolen merchandise was hacked recently, exposing its internal operations, finances and organizational structure.

Cybercrime 270

Cybercrime Marketing Scams Retail 270

Krebs on Security

OCTOBER 9, 2023

The fake USPS phishing page. Recent weeks have seen a sizable uptick in the number of phishing scams targeting U.S. Postal Service (USPS) customers. Here’s a look at an extensive SMS phishing operation that tries to steal personal and financial data by spoofing the USPS, as well as postal services in at least a dozen other countries.

Phishing 276

Phishing Scams Passwords Web Fraud 276

Krebs on Security

OCTOBER 31, 2023

The top-level domain for the United States — US — is home to thousands of newly-registered domains tied to a malicious link shortening service that facilitates malware and phishing scams, new research suggests. The findings come close on the heels of a report that identified.US

Phishing 268

Phishing Telecommunications Malware Scams 268

Krebs on Security

JANUARY 9, 2023

Identity thieves have been exploiting a glaring security weakness in the website of Experian , one of the big three consumer credit reporting bureaus. Normally, Experian requires that those seeking a copy of their credit report successfully answer several multiple choice questions about their financial history.

Identity Theft 338

Identity Theft Accountability Authentication Web Fraud 338

Krebs on Security

JUNE 22, 2023

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.

Phishing 278

Phishing Retail Mobile Scams 278

Krebs on Security

MAY 30, 2023

A number of Discord communities focused on cryptocurrency have been hacked this past month after their administrators were tricked into running malicious Javascript code disguised as a Web browser bookmark.

Hacking 284

Hacking Accountability Scams Cryptocurrency 284

Krebs on Security

NOVEMBER 6, 2023

Last week, KrebsOnSecurity broke the news that one of the largest cybercrime services for laundering stolen merchandise was hacked recently, exposing its internal operations, finances and organizational structure.

Passwords 235

Passwords Cybercrime Accountability Hacking 235

Krebs on Security

JANUARY 25, 2023

23, 2022, KrebsOnSecurity alerted big-three consumer credit reporting bureau Experian that identity thieves had worked out how to bypass its security and access any consumer’s full credit report — armed with nothing more than a person’s name, address, date of birth, and Social Security number.

Cybercrime 292

Cybercrime Web Fraud Data breaches 292

Krebs on Security

AUGUST 18, 2022

Scammers are using invoices sent through PayPal.com to trick recipients into calling a number to dispute a pending charge. The missives — which come from Paypal.com and include a link at Paypal.com that displays an invoice for the supposed transaction — state that the user’s account is about to be charged hundreds of dollars.

Scams 325

Scams Phishing Accountability Software 325

Krebs on Security

SEPTEMBER 30, 2022

Someone has recently created a large number of fake LinkedIn profiles for Chief Information Security Officer (CISO) roles at some of the world’s largest corporations. It’s not clear who’s behind this network of fake CISOs or what their intentions may be.

CISO 311

CISO Cybercrime Accountability Cryptocurrency 311

Krebs on Security

SEPTEMBER 1, 2023

Domain names ending in “ US ” — the top-level domain for the United States — are among the most prevalent in phishing scams, new research shows. This is noteworthy because.US is overseen by the U.S. government, which is frequently the target of phishing domains ending in.US.

Phishing 232

Phishing Telecommunications Government DNS 232

Krebs on Security

JULY 10, 2022

Twice in the past month KrebsOnSecurity has heard from readers who’ve had their accounts at big-three credit bureau Experian hacked and updated with a new email address that wasn’t theirs. In both cases the readers used password managers to select strong, unique passwords for their Experian accounts.

Accountability 318

Accountability Passwords Authentication Password Management 318

Krebs on Security

NOVEMBER 13, 2021

The Federal Bureau of Investigation (FBI) confirmed today that its fbi.gov domain name and Internet address were used to blast out thousands of fake emails about a cybercrime investigation.

Internet 362

Internet Internet Hacking Accountability 362

Krebs on Security

FEBRUARY 26, 2023

Web hosting giant GoDaddy made headlines this month when it disclosed that a multi-year breach allowed intruders to steal company source code, siphon customer and employee login credentials, and foist malware on customer websites.

Hacking 267

Hacking Social Engineering Phishing Scams 267

Krebs on Security

MARCH 28, 2023

The United Kingdom’s National Crime Agency (NCA) has been busy setting up phony DDoS-for-hire websites that seek to collect information on users, remind them that launching DDoS attacks is illegal, and generally increase the level of paranoia for people looking to hire such services.

DDOS 251

DDOS Marketing Computers and Electronics Risk 251

Krebs on Security

JULY 18, 2022

The 911 service as it exists today. For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States.

VPN 300

VPN Computers and Electronics Antivirus Software 300

Krebs on Security

AUGUST 30, 2022

Phishers are enjoying remarkable success using text messages to steal remote access credentials and one-time passcodes from employees at some of the world’s largest technology companies and customer support firms.

Mobile 290

Mobile Phishing Authentication Accountability 290

Krebs on Security

NOVEMBER 16, 2022

A financial cybercrime group calling itself the Disneyland Team has been making liberal use of visually confusing phishing domains that spoof popular bank brands using Punycode , an Internet standard that allows web browsers to render domain names with non-Latin alphabets like Cyrillic.

Malware 271

Malware Banking Phishing DDOS 271

Krebs on Security

AUGUST 4, 2022

Email scammers sent an Uber to the home of an 80-year-old woman who responded to a well-timed email scam, in a bid to make sure she went to the bank and wired money to the fraudsters.

Banking 290

Banking Scams Accountability Passwords 290

Krebs on Security

AUGUST 9, 2021

I was preparing to knock off work for the week on a recent Friday evening when a curious and annoying email came in via the contact form on this site: “Hello I go by the username Nuclear27 on your site Briansclub[.]com “I made a deposit to my wallet on the site but nothing has shown up yet and I would like to know why.”

Phishing 357

Phishing Cybercrime Accountability Advertising 357

Krebs on Security

DECEMBER 8, 2022

Ransomware groups are constantly devising new methods for infecting victims and convincing them to pay up, but a couple of strategies tested recently seem especially devious. The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them booby-trapped medical records for the “patient.”

Healthcare 264

Healthcare Backups Ransomware Insurance 264

Krebs on Security

OCTOBER 5, 2022

A recent proliferation of phony executive profiles on LinkedIn is creating something of an identity crisis for the business networking site, and for companies that rely on it to hire and screen prospective employees.

Accountability 270

Accountability Scams Artificial Intelligence Cryptocurrency 270

Krebs on Security

MAY 21, 2021

One of the oldest scams around — the fake job interview that seeks only to harvest your personal and financial data — is on the rise, the FBI warns. Here’s the story of a recent LinkedIn impersonation scam that led to more than 100 people getting duped, and one almost-victim who decided the job offer was too-good-to-be-true.

Scams 363

Scams Accountability Advertising Engineering 363

Krebs on Security

APRIL 18, 2023

For the past seven years, a malware-based proxy service known as “ Faceless ” has sold anonymity to countless cybercriminals. For less than a dollar per day, Faceless customers can route their malicious traffic through tens of thousands of compromised systems advertised on the service.

Malware 232

Malware Passwords Accountability Advertising 232