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 346

Mobile Wireless Authentication Accountability 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. Image: Cloudflare.com. 2, and Aug. According to an Aug.

Mobile 288

Mobile Phishing Authentication Accountability 288

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. These services are springing up because they work and they’re profitable.

Passwords 319

Passwords Mobile Authentication Banking 319

Krebs on Security

NOVEMBER 23, 2018

I later received an email from the seller, who said his Amazon account had been hacked and abused by scammers to create fake sales. But this assurance may ring hollow if you wake up one morning to find your checking accounts emptied by card thieves after shopping at a breached merchant with a debit card.

Scams 272

Scams Wireless Phishing Banking 272

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.

Mobile 310

Mobile Phishing Authentication Advertising 310

Krebs on Security

JULY 29, 2021

Our continued reliance on passwords for authentication has contributed to one toxic data spill or hack after another. The messages addressed customers by name and referenced past order numbers and payment amounts tied to each account. Earlier this month, customers of the soccer jersey retailer classicfootballshirts.co.uk

Passwords 355

Passwords Password Management Phishing Scams 355