Krebs on Security

NOVEMBER 6, 2018

that has been tracking down individuals engaged in unauthorized “SIM swaps” — a complex form of mobile phone fraud that is often used to steal large amounts of cryptocurrencies and other items of value from victims. That’s just too risky for the attackers, he said.

Mobile 266

Mobile Cryptocurrency Accountability Passwords 266

Krebs on Security

FEBRUARY 8, 2021

Brad Marden , superintendent of cybercrime operations for the Australian Federal Police (AFP), said their investigation into who was behind U-Admin began in late 2018, after Australian citizens began getting deluged with phishing attacks via mobile text messages that leveraged the software.

Phishing 327

Phishing Scams Banking Mobile 327

Krebs on Security

AUGUST 23, 2024

At issue is a well-known security and privacy threat called “ namespace collision ,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on the open Internet. SSL/TLS certs). and schema.ad. Image: Defcon.org.

DNS 320

DNS Internet Internet Authentication 320

Krebs on Security

JANUARY 30, 2024

In each attack, the victims saw their email and financial accounts compromised after suffering an unauthorized SIM-swap, wherein attackers transferred each victim’s mobile phone number to a new device that they controlled. Prosecutors say Noah Michael Urban of Palm Coast, Fla.,

Social Engineering 355

Social Engineering Mobile Passwords Cybercrime 355

Krebs on Security

SEPTEMBER 18, 2024

The page listed the correct time and date of the funeral service, which it claimed could be streamed over the Internet by following a link that led to a page requesting credit card information. xyz is currently hosted at a Bangladeshi web hosting provider named cloudswebserver[.]com The Internet address of livestreamnow[.]xyz

Scams 63

Scams DNS Internet Internet 63

Krebs on Security

JUNE 22, 2023

” Pivoting on the domain in the smishing message sent to Dylan shows the phishing domain shared an Internet host in Russia [91.215.85-166] The site would only load in a mobile browser. 166] with nearly two dozen other smishing related domains, including upsdelivery[.]info info , legodelivery[.]info info , adidascanadaltd[.]com

Phishing 322

Phishing Retail Mobile Scams 322

Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. SocksEscort[.]com com , is what’s known as a “SOCKS Proxy” service. com, sscompany[.]net, net, and hideipvpn[.]com.

Malware 237

Malware VPN Internet Internet 237

Krebs on Security

AUGUST 18, 2022

Also, the email headers in the phishing message (PDF) show that it passed all email validation checks as being sent by PayPal, and that it was sent through an Internet address assigned to PayPal. Both the email and the invoice state that “there is evidence that your PayPal account has been accessed unlawfully.”

Scams 339

Scams Phishing Accountability Software 339

Krebs on Security

DECEMBER 13, 2022

USDoD told KrebsOnSecurity their phony application was submitted in November in the CEO’s name, and that the application included a contact email address that they controlled — but also the CEO’s real mobile phone number. “I wasn’t expected to be approve[d].” This is a developing story.

Hacking 363

Hacking Energy and Utilities Cybercrime Accountability 363

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 327

Malware Banking Phishing DDOS 327

Krebs on Security

FEBRUARY 26, 2023

Many companies now require employees to supply a one-time password — such as one sent via SMS or produced by a mobile authenticator app — in addition to their username and password when logging in to company assets online. Thus, the second factor cannot be phished, either over the phone or Internet.

Hacking 322

Hacking Social Engineering Phishing Scams 322

Krebs on Security

OCTOBER 25, 2018

According to the most recent statistics from the FBI ‘s Internet Crime Complaint Center , the most costly form of cybercrime stems from a complex type of fraud known as the “ B usiness E mail C ompromise” or BEC scam. This post examines the work of a large, private group of volunteers dedicated to doing just that.

Scams 224

Scams Accountability Media Banking 224

Krebs on Security

JULY 21, 2022

REACTs’ West said while there are a large number of pig butchering victims reporting their victimization to the FBI, very few are receiving anything more than instructions about filing a complaint with the FBI’s Internet Crime Complaint Center (IC3), which keeps track of cybercrime losses and victims.

Scams 327

Scams Cryptocurrency Marketing Internet 327

Krebs on Security

SEPTEMBER 5, 2023

Importantly, none appeared to have suffered the sorts of attacks that typically preface a high-dollar crypto heist, such as the compromise of one’s email and/or mobile phone accounts. The Internet is swimming with con artists masquerading as legitimate cryptocurrency recovery experts. “They truly all are reasonably secure.

Cryptocurrency 360

Cryptocurrency Passwords Encryption Accountability 360

Krebs on Security

FEBRUARY 18, 2025

But a flurry of innovation from cybercrime groups in China is breathing new life into the carding industry, by turning phished card data into mobile wallets that can be used online and at main street stores. And they are not traditional SMS phishing or “ smishing ” messages, as they bypass the mobile networks entirely.

Phishing 279

Phishing Mobile Scams Banking 279

Krebs on Security

FEBRUARY 28, 2023

Image: Shutterstock.com Three different cybercriminal groups claimed access to internal networks at communications giant T-Mobile in more than 100 separate incidents throughout 2022, new data suggests. Each advertises their claimed access to T-Mobile systems in a similar way. ” or “ Tmo up!

Mobile 337

Mobile Phishing Authentication Advertising 337

Krebs on Security

MAY 22, 2023

Chaput said the spammers used more than 1,500 Internet addresses across 400 providers to register new accounts, which then followed popular accounts on Mastodon and sent private mentions to the followers of those accounts. has been associated with accounts at the mobile app site aptoide.com (user: CoolappsforAndroid) and vimeworld.ru

Scams 297

Scams DDOS Cryptocurrency Accountability 297

Krebs on Security

SEPTEMBER 30, 2024

’s mobile number to a list of those associated with an unrelated firearms investigation. In June 2016, Islam was sentenced to a year in prison for an impressive array of crimes, including stalking people online and posting their personal data on the Internet. which shows an LASD deputy unlawfully added E.Z.’s

Cryptocurrency 308

Cryptocurrency Government Internet Internet 308

Krebs on Security

SEPTEMBER 13, 2024

People affiliated with harm groups like 764 will often recruit new members by lurking on gaming platforms, social media sites and mobile applications that are popular with young people, including Discord , Minecraft , Roblox , Steam , Telegram , and Twitch. million customers. Pompompurin had been a nemesis to the FBI for several years.

Cybercrime 317

Cybercrime Accountability Mobile Hacking 317

Krebs on Security

MARCH 14, 2023

That story showed that the previous owner of the Doxbin also was part of a teenage hacking group that specialized in offering fake EDRs as a service on the dark web. That story showed that the previous owner of the Doxbin also was part of a teenage hacking group that specialized in offering fake EDRs as a service on the dark web.

Hacking 296

Hacking Government Media Accountability 296

Krebs on Security

APRIL 27, 2022

But each can see if a law enforcement entity or individual tied to one of their own requests has ever submitted a request to a different Kodex client, and then drill down further into other data about the submitter, such as Internet address(es) used, and the age of the requestor’s email address. Image: T-Mobile.

Mobile 224

Mobile Government Media Technology 224

Krebs on Security

JUNE 21, 2023

Those records indicate the user Kerens registered on Verified in March 2009 from an Internet address in Novosibirsk, a city in the southern Siberian region of Russia. Most of the two-dozen domains registered to pepyak@gmail.com shared a server at one point with a small number of other domains, including mobile-soft[.]su

Malware 269

Malware Antivirus Cybercrime Hacking 269

Krebs on Security

APRIL 16, 2020

Subdomains can not only make phishing domains appear more legitimate , but they also tend to lengthen the domain so that key parts of it get pushed off the URL bar in mobile browsers. Schwartzman said more domain registrars should follow the example of Los Angeles-based Namecheap Inc.

Cyber threats 323

Cyber threats Phishing Data collection Government 323

Krebs on Security

SEPTEMBER 4, 2022

But these more “hands-on” and first person attacks are becoming increasingly common within certain cybercriminal communities, particularly those engaged in SIM swapping , a crime in which identity thieves hijack a target’s mobile phone number and use that to wrest control over the victim’s various online accounts and identities.

Government 48

Government Accountability Web Fraud Cryptocurrency 48

Krebs on Security

OCTOBER 3, 2024

” Chub offers free registration, via its website or a mobile app. To carry out this research, security researchers ignored fundamental security best practices and publicly shared an access key on the internet to observe what would happen.” Some of the AI chat bot characters offered by Chub. No customers were put at risk.

Accountability 289

Accountability Artificial Intelligence Web Fraud Cryptocurrency 289

Krebs on Security

DECEMBER 18, 2024

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.

Cryptocurrency 362

Cryptocurrency Accountability Authentication Phishing 362