Krebs on Security

MAY 19, 2021

New research shows how fraudsters can abuse wireless provider websites to identify available, recycled mobile numbers that allow password resets at a range of email providers and financial services online. While you’re at it, consider removing your phone number as a primary or secondary authentication mechanism wherever possible.

Mobile 361

Mobile Wireless Accountability Authentication 361

Krebs on Security

SEPTEMBER 29, 2021

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 is true two-factor authentication: Something you have, and something you know (and maybe also even something you are).

Passwords 346

Passwords Mobile Authentication Banking 346

Krebs on Security

AUGUST 30, 2022

The missives asked users to click a link and log in at a phishing page that mimicked their employer’s Okta authentication page. Those who submitted credentials were then prompted to provide the one-time password needed for multi-factor authentication. That’s down from 53 percent that did so in 2018, Okta found.

Mobile 340

Mobile Phishing Authentication Accountability 340

Krebs on Security

FEBRUARY 28, 2023

Countless websites and online services use SMS text messages for both password resets and multi-factor authentication. But in a written statement, T-Mobile said this type of activity affects the entire wireless industry. T-Mobile declined to answer questions about what it may be doing to beef up employee authentication.

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Mobile Phishing Authentication Advertising 341

Krebs on Security

JULY 29, 2021

Our continued reliance on passwords for authentication has contributed to one toxic data spill or hack after another. Here’s a closer look at what typically transpires in the weeks or months before an organization notifies its users about a breached database.

Passwords 363

Passwords Password Management Phishing Scams 363

Krebs on Security

NOVEMBER 23, 2018

This might involve making sure that new or old PC has up-to-date security software and the requisite software patches, or locking down their wireless router by enabling security features and disabling risky ones. Postal Service , or their wireless phone provider and/or Internet Service Provider (ISP).

Scams 279

Scams Wireless Phishing Banking 279