Several staffers at the White House are using computers or mobile devices equipped with residential proxy services that render their internet address available for others to rent, security experts warned today. One of the proxy services is a Russian company whose founder’s web hosting business was ground zero for…
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Authorities in Germany this week seized Internet servers that powered FlyHosting , a dark web offering that catered to cybercriminals operating DDoS-for-hire services, KrebsOnSecurity has learned. FlyHosting first advertised on cybercrime forums in November 2022, saying it was a Germany-based hosting firm that was…
Email service provider Sendgrid is grappling with an unusually large number of customer accounts whose passwords have been cracked, sold to spammers, and abused for sending phishing and email malware attacks. Sendgrid’s parent company Twilio says it is working on a plan to require multi-factor authentication for all…
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…
New research into the malware that set the stage for the megabreach at IT vendor SolarWinds shows the perpetrators spent months inside the company’s software development labs honing their attack before inserting malicious code into updates that SolarWinds then shipped to thousands of customers. More worrisome, the…
Google says it recently fixed an authentication weakness that allowed crooks to circumvent the email verification required to create a Google Workspace account, and leverage that to impersonate a domain holder at third-party services that allow logins through Google’s “Sign in with Google” feature.
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 expectation that local police may respond to the scene…
In February, KrebsOnSecurity wrote about a novel cybercrime service that helped attackers intercept the one-time passwords (OTPs) that many websites require as a second authentication factor in addition to passwords. That service quickly went offline, but new research reveals a number of competitors have since…
What’s worse than finding out that identity thieves took out a 546 percent interest payday loan in your name? How about a 900 percent interest loan? Or how about not learning of the fraudulent loan until it gets handed off to collection agents? One reader’s nightmare experience spotlights what can happen when ID…
The CEO of a South Carolina technology firm has pleaded guilty to 20 counts of wire fraud in connection with an elaborate network of phony companies set up to obtain more than 735,000 Internet Protocol (IP) addresses from the nonprofit organization that leases the digital real estate to entities in North America.
Many readers were surprised to learn recently that the popular Norton 360 antivirus suite now ships with a program which lets customers make money mining virtual currency . But Norton 360 isn’t alone in this dubious endeavor: Avira antivirus — which has built a base of 500 million users worldwide largely by making the…
I’m not a huge fan of stories about stories, or those that explore the ins and outs of reporting a breach. But occasionally I feel obligated to publish such accounts when companies respond to a breach report in such a way that it’s crystal clear they wouldn’t know what to do with a data breach if it bit them in the…
Parler , the beleaguered social network advertised as a “free speech” alternative to Facebook and Twitter, has had a tough month. Apple and Google removed the Parler app from their stores, and Amazon blocked the platform from using its hosting services. Parler has since found a home in DDoS-Guard , a Russian digital…
Three men in the United Kingdom have pleaded guilty to operating otp[.]agency , a once popular online service that helped attackers intercept the one-time passcodes (OTPs) that many websites require as a second authentication factor in addition to passwords.
Fraudsters redirected email and web traffic destined for several cryptocurrency trading platforms over the past week. The attacks were facilitated by scams targeting employees at GoDaddy , the world’s largest domain name registrar, KrebsOnSecurity has learned.
The story you are reading is a series of scoops nestled inside a far more urgent Internet-wide security advisory. The vulnerability at issue has been exploited for months already, and it’s time for a broader awareness of the threat. The short version is that everything you thought you knew about the security of the…
John Gilmore , an American entrepreneur and civil libertarian, once famously quipped that “the Internet interprets censorship as damage and routes around it.” This notion undoubtedly rings true for those who see national governments as the principal threats to free speech.
The world’s largest and most disruptive botnet is now drawing a majority of its firepower from compromised Internet-of-Things (IoT) devices hosted on U.S. Internet providers like AT&T , Comcast and Verizon , new evidence suggests. Experts say the heavy concentration of infected devices at U.S. providers is…
The U.S. Department of Justice today announced the arrest of Ukrainian man accused of deploying ransomware on behalf of the REvil ransomware gang, a Russian-speaking cybercriminal collective that has extorted hundreds of millions from victim organizations. The DOJ also said it had seized $6.1 million in cryptocurrency…
At least a dozen organizations with domain names at domain registrar Squarespace saw their websites hijacked last week. Squarespace bought all assets of Google Domains a year ago, but many customers still haven’t set up their new accounts. Experts say malicious hackers learned they could commandeer any migrated…
Microsoft and identity management platform Okta both this week disclosed breaches involving LAPSUS$ , a relatively new cybercrime group that specializes in stealing data from big companies and threatening to publish it unless a ransom demand is paid. Here’s a closer look at LAPSUS$, and some of the low-tech but…
New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name.
The longer one lurks in the Internet underground, the more difficult it becomes to ignore the harsh reality that for nearly every legitimate online business there is a cybercrime-oriented anti-business. Case in point: Today’s post looks at a popular service that helps crooked online marketers exhaust the Google…
The Associated Press today points to a remarkable footnote in a recent State Department inspector general report on the Hillary Clinton email scandal: The mail was managed from the vanity domain “ clintonemail.com .” But here’s a potentially more explosive finding: A review of the historic domain registration records…
A Florida teenager who served as a lackey for a cybercriminal group that specializes in cryptocurrency thefts was beaten and kidnapped last week by a rival cybercrime gang. The teen’s captives held guns to his head while forcing him to record a video message pleading with his crew to fork over a $200,000 ransom in…
A Ukrainian man indicted in 2012 for conspiring with a prolific hacking group to steal tens of millions of dollars from U.S. businesses was arrested in Italy and is now in custody in the United States, KrebsOnSecurity has learned.
A security firm revealed today that mysql.com , the central repository for widely-used Web database software, was hacked and booby-trapped to serve visitors with malicious software. The disclosure caught my eye because just a few days ago I saw evidence that administrative access to mysql.com was being sold in the…
An alert reader recently pointed my attention to a free online service offered by big-three credit bureau Experian that allows anyone to request the personal identification number (PIN) needed to unlock a consumer credit file that was previously frozen at Experian.
Phishing attacks increased nearly 40 percent in the year ending August 2024, with much of that growth concentrated at a small number of new generic top-level domains (gTLDs) — such as .shop , .top , .xyz — that attract scammers with rock-bottom prices and no meaningful registration requirements, new research finds…
Over the past year, I’ve spent a great deal of time trolling a variety of underground stores that sell “dumps” — street slang for stolen credit card data that buyers can use to counterfeit new cards and go shopping in big-box stores for high-dollar merchandise that can be resold quickly for cash. By way of explaining…
Last week, LifeLock and several other identity theft protection firms erroneously alerted their customers to a breach at cloud storage giant Dropbox.com — an incident that reportedly exposed some 73 million usernames and passwords. The only problem with that notification was that Dropbox didn’t have a breach; the data…