Remove Accountability Remove Authentication Remove Blog Remove Web Fraud
article thumbnail

Facebook, Instagram, TikTok and Twitter Target Resellers of Hacked Accounts

Krebs on Security

Facebook, Instagram , TikTok , and Twitter this week all took steps to crack down on users involved in trafficking hijacked user accounts across their platforms. Facebook said it targeted a number of accounts tied to key sellers on OGUsers, as well as those who advertise the ability to broker stolen account sales. THE MIDDLEMEN.

article thumbnail

How 1-Time Passcodes Became a Corporate Liability

Krebs on Security

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. ” On July 28 and again on Aug.

Mobile 300
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

The Rise of One-Time Password Interception Bots

Krebs on Security

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 324
article thumbnail

Gift Card Gang Extracts Cash From 100k Inboxes Daily

Krebs on Security

Bill said this criminal group averages between five and ten million email authentication attempts daily, and comes away with anywhere from 50,000 to 100,000 of working inbox credentials. Because these accounts can all be cleaned out and deposited onto a gift card number that can be resold quickly online for 80 percent of its value.

article thumbnail

Experts Fear Crooks are Cracking Keys Stolen in LastPass Breach

Krebs on Security

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. “If you have my seed phrase, you can copy and paste that into your wallet, and then you can see all my accounts.

article thumbnail

GoDaddy Employees Used in Attacks on Multiple Cryptocurrency Services

Krebs on Security

And in May of this year, GoDaddy disclosed that 28,000 of its customers’ web hosting accounts were compromised following a security incident in Oct. “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. . ” In the early morning hours of Nov.

article thumbnail

Fla. Man Charged in SIM-Swapping Spree is Key Suspect in Hacker Groups Oktapus, Scattered Spider

Krebs on Security

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., Twilio disclosed in Aug. On July 28 and again on Aug.