Krebs on Security

FEBRUARY 8, 2021

Perhaps the biggest selling point for U-Admin is a module that helps phishers intercept multi-factor authentication codes. Qbot) — to harvest one-time codes needed for multi-factor authentication. The security flaw was briefly alluded to in a 2018 writeup on U-Admin by the SANS Internet Storm Center.

Phishing 262

Phishing Scams Banking Mobile 262

Krebs on Security

DECEMBER 8, 2022

The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them booby-trapped medical records for the “patient.” Using hard-to-crack unique passwords to protect sensitive data and accounts, as well as enabling multi-factor authentication. ”

Healthcare 257

Healthcare Backups Ransomware Insurance 257

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 264

Malware Banking Phishing DDOS 264

Krebs on Security

DECEMBER 13, 2022

While the FBI’s InfraGard system requires multi-factor authentication by default, users can choose between receiving a one-time code via SMS or email. “If it was only the phone I will be in [a] bad situation,” USDoD said. “Because I used the person[‘s] phone that I’m impersonating.”

Hacking 360

Hacking Energy and Utilities Cybercrime Accountability 360

Krebs on Security

JANUARY 22, 2019

Experts at Cisco Talos and other security firms quickly drew parallels between the two mass spam campaigns, pointing to a significant overlap in Russia-based Internet addresses used to send the junk emails. Contacted by KrebsOnSecurity, GoDaddy acknowledged the authentication weakness documented by Guilmette. domaincontrol.com).

DNS 230

DNS Internet Internet Computers and Electronics 230

Krebs on Security

JANUARY 7, 2020

Also, the resulting compromise is quite persistent and sidesteps two-factor authentication, and thus it seems likely we will see this approach exploited more frequently in the future. com — is different from the one I saw in late December, but it was hosted at the same Internet address as officesuited[.]com

Phishing 234

Phishing Passwords Accountability Authentication 234

Krebs on Security

JANUARY 24, 2020

While fraudsters who have hijacked your domain and/or co-opted access to your domain registrar can and usually will try to remove any DNSSEC records associated with the hijacked domain, it generally takes a few days for these updated records to be noticed and obeyed by the rest of the Internet.

DNS 260

DNS Social Engineering Engineering Accountability 260

Security Boulevard

JULY 29, 2021

Our continued reliance on passwords for authentication has contributed to one toxic data spill or hack after another.

Passwords 57

Passwords Data breaches Authentication Internet 57

Krebs on Security

NOVEMBER 23, 2018

‘Tis the season when even those who know a thing or two about Internet scams tend to let down their guard in the face of an eye-popping discount or the stress of last-minute holiday shopping. Postal Service , or their wireless phone provider and/or Internet Service Provider (ISP). Maybe this was once sound advice.

Scams 270

Scams Wireless Phishing Banking 270

Krebs on Security

FEBRUARY 28, 2023

Countless websites and online services use SMS text messages for both password resets and multi-factor authentication. T-Mobile declined to answer questions about what it may be doing to beef up employee authentication. Thus, the second factor cannot be phished, either over the phone or Internet. ” TMO UP! .”

Mobile 306

Mobile Phishing Authentication Advertising 306

Krebs on Security

MARCH 29, 2022

There is a terrifying and highly effective “method” that criminal hackers are now using to harvest sensitive customer data from Internet service providers, phone companies and social media firms. The document requested the Internet address history of Discord accounts tied to a specific phone number used by the target.

Accountability 272

Accountability Government Hacking Social Engineering 272

Krebs on Security

SEPTEMBER 2, 2021

The data in this story come from a trusted source in the security industry who has visibility into a network of hacked machines that fraudsters in just about every corner of the Internet are using to anonymize their malicious Web traffic. mail server responds “OK” = successful access).

Accountability 284

Accountability Authentication Passwords Hacking 284

Krebs on Security

SEPTEMBER 5, 2023

“The threat actor was able to capture the employee’s master password as it was entered, after the employee authenticated with MFA, and gain access to the DevOps engineer’s LastPass corporate vault.” The Internet is swimming with con artists masquerading as legitimate cryptocurrency recovery experts.

Cryptocurrency 345

Cryptocurrency Passwords Encryption Accountability 345

Krebs on Security

JULY 29, 2021

Our continued reliance on passwords for authentication has contributed to one toxic data spill or hack after another. TARGETED PHISHING. So hopefully by this point it should be clear why re-using passwords is generally a bad idea.

Passwords 353

Passwords Password Management Phishing Scams 353

Krebs on Security

NOVEMBER 6, 2018

The bug could be exploited simply by adding the phone number of a target to the end of a Web address used by one of the company’s internal tools that was nevertheless accessible via the open Internet. He advises people instead use a mobile app like Authy or Google Authenticator to generate the one-time code.

Mobile 233

Mobile Cryptocurrency Accountability Passwords 233

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. EDR OVERLOAD?

Mobile 180

Mobile Government Media Technology 180

Krebs on Security

NOVEMBER 26, 2019

” Technically, what my source did was wire fraud (obtaining something of value via the Internet/telephone/fax through false pretenses); had he done it through the U.S. mail, he could be facing mail fraud charges if caught. Then you either mail or fax it in. After that, they send account creation links to all the contacts.”

Government 323

Government Internet Internet Web Fraud 323