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 343

Passwords Mobile Authentication Banking 343

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

JUNE 15, 2024

.” In a SIM-swapping attack, crooks transfer the target’s phone number to a device they control and intercept any text messages or phone calls sent to the victim — including one-time passcodes for authentication, or password reset links sent via SMS.

Hacking 342

Hacking Cybercrime Phishing Passwords 342

Krebs on Security

SEPTEMBER 2, 2021

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. “For context, our research indicates that multi-factor authentication prevents more than 99.9%

Accountability 347

Accountability Authentication Passwords Hacking 347

Krebs on Security

NOVEMBER 19, 2021

In reality, the fraudster initiates a transaction — such as the “forgot password” feature on the financial institution’s site — which is what generates the authentication passcode delivered to the member. To combat this scam Zelle introduced out-of-band authentication with transaction details.

Scams 362

Scams Banking Passwords Authentication 362

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. The key works without the need for any special software drivers.

Hacking 330

Hacking Social Engineering Phishing Scams 330

Krebs on Security

JULY 10, 2022

“I was able to answer the credit report questions successfully, which authenticated me to their system,” Turner said. That’s because Experian does not offer any type of multi-factor authentication options on consumer accounts. But now he’s wondering what else he could do to prevent another account compromise.

Accountability 336

Accountability Passwords Authentication Password Management 336

Krebs on Security

MAY 5, 2021

After logging in, the user might see a prompt that looks something like this: These malicious apps allow attackers to bypass multi-factor authentication, because they are approved by the user after that user has already logged in. “It’s just easier, and it’s a good way to bypass multi-factor authentication.”

Accountability 348

Accountability Advertising Passwords Phishing 348

Krebs on Security

AUGUST 23, 2024

The proliferation of new top-level domains (TLDs) has exacerbated a well-known security weakness: Many organizations set up their internal Microsoft authentication systems years ago using domain names in TLDs that didn’t exist at the time. ” Caturegli said setting up an email server record for memrtcc.ad

DNS 326

DNS Internet Internet Authentication 326

Krebs on Security

NOVEMBER 21, 2020

• Consider using a formalized authentication process for employee-to-employee communications made over the public telephone network where a second factor is used to. authenticate the phone call before sensitive information can be discussed. Improve 2FA and OTP messaging to reduce confusion about employee authentication attempts.

Cryptocurrency 364

Cryptocurrency VPN Scams Social Engineering 364

Krebs on Security

JANUARY 9, 2023

Clearly, Experian found it simpler to respond this way, rather than acknowledging the problem and addressing the root causes (lazy authentication and abhorrent account recovery practices). It’s also worth mentioning that reports of hijacked Experian.com accounts persisted into late 2022.

Identity Theft 351

Identity Theft Accountability Authentication Web Fraud 351

Krebs on Security

JULY 31, 2024

More than a million domain names — including many registered by Fortune 100 firms and brand protection companies — are vulnerable to takeover by cybercriminals thanks to authentication weaknesses at a number of large web hosting providers and domain registrars, new research finds. Image: Shutterstock.

DNS 320

DNS Internet Internet Phishing 320

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. There are multiple recent reports that U-Admin has been used in conjunction with malware — particularly Qakbot (a.k.a.

Phishing 339

Phishing Scams Banking Mobile 339

Krebs on Security

OCTOBER 13, 2021

.” Last month, Coinbase disclosed that malicious hackers stole cryptocurrency from 6,000 customers after using a vulnerability to bypass the company’s SMS multi-factor authentication security feature.

Passwords 363

Passwords Phishing Accountability Mobile 363

Krebs on Security

FEBRUARY 25, 2021

Much of this fraud exploits weak authentication methods used by states that have long sought to verify applicants using static, widely available information such as Social Security numbers and birthdays. to shore up their authentication efforts, with six more states under contract to use the service in the coming months.

Scams 335

Scams Insurance DDOS Authentication 335

Krebs on Security

JANUARY 30, 2024

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. A booking photo of Noah Michael Urban released by the Volusia County Sheriff.

Social Engineering 358

Social Engineering Mobile Passwords Cybercrime 358

Krebs on Security

NOVEMBER 16, 2022

. “The reason that it is infeasible for them to use in-browser injects include browser and OS protection measures, and difficulties manipulating dynamic pages for banks that require multi-factor authentication,” Holden said.

Malware 336

Malware Banking Phishing DDOS 336

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. Still, this phishing tactic is worth highlighting because recent examples of it received relatively little press coverage.

Phishing 292

Phishing Passwords Accountability Authentication 292

Krebs on Security

JULY 15, 2024

” The researchers have published a comprehensive guide for locking down Squarespace user accounts, which urges Squarespace users to enable multi-factor authentication (disabled during the migration). .’ This is absolutely insane if you’re used to and expecting the controls Google provides.”

Accountability 336

Accountability Cryptocurrency Passwords DNS 336

Krebs on Security

APRIL 14, 2019

Airbnb could help by adding some type of robust multi-factor authentication, such as Security Keys — which would defeat these Airbnb phishing pages. According to twofactorauth.org , Airbnb currently does not support any type of multi-factor authentication that users can enable.

Scams 277

Scams Advertising Accountability Phishing 277

Krebs on Security

SEPTEMBER 2, 2024

agency , a once popular online service that helped attackers intercept the one-time passcodes (OTPs) that many websites require as a second authentication factor in addition to passwords. Three men in the United Kingdom have pleaded guilty to operating otp[.]agency

Accountability 308

Accountability Banking Passwords Scams 308

Krebs on Security

APRIL 28, 2020

As it turned out, calling the phone number on the back of the credit card from the phone number linked with the card provided the most recent transactions without providing any form of authentication.” “I was appalled that Citi would do that.

Scams 363

Scams Banking Accountability Financial Services 363

Krebs on Security

FEBRUARY 4, 2021

Any accounts that you value should be secured with a unique and strong password, as well the most robust form of multi-factor authentication available. I advise readers to remove their phone numbers from accounts wherever possible , and to take advantage of a mobile app to generate any one-time codes for multifactor authentication.

Accountability 327

Accountability Hacking Media Mobile 327

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 363

Hacking Energy and Utilities Cybercrime Accountability 363

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 vulnerability exploited by the intruders was patched back in 2020, but the employee never updated his Plex software.

Cryptocurrency 361

Cryptocurrency Passwords Encryption Accountability 361

Krebs on Security

MAY 30, 2023

Scavuzzo said the administrator’s account was hijacked even though she had multi-factor authentication turned on. Scavuzzo, who is based in Maine, said the attackers waited until around midnight in his timezone time before using the administrator’s account to send out an unauthorized message about a new Ocean airdrop.

Hacking 348

Hacking Accountability Scams Cryptocurrency 348

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 6, 2018

” Rose said mobile phone stores could cut down on these crimes in much the same way that potential victims can combat SIM swapping: By relying on dual authentication. He advises people instead use a mobile app like Authy or Google Authenticator to generate the one-time code. ” TWO-FACTOR BREAKDOWN.

Mobile 274

Mobile Cryptocurrency Accountability Passwords 274

Krebs on Security

DECEMBER 8, 2022

Using hard-to-crack unique passwords to protect sensitive data and accounts, as well as enabling multi-factor authentication. Running up-to-date security solutions and ensuring that your computers are protected with the latest security patches against vulnerabilities. Encrypting sensitive data wherever possible.

Healthcare 329

Healthcare Backups Ransomware Insurance 329

Krebs on Security

NOVEMBER 26, 2019

.” Levine said like the Internet itself, this entire debacle is yet another example of an important resource with potentially explosive geopolitical implications that was never designed with security or authentication in mind. “It turns out that the GSA is pretty good at doing boring clerical stuff,” he said. ”

Government 361

Government Internet Internet Web Fraud 361

Krebs on Security

SEPTEMBER 22, 2023

To automatically populate the appropriate credentials at any website going forward, you simply authenticate to LastPass using your master password. .” A basic functionality of LastPass is that it will pick and remember lengthy, complex passwords for each of your websites or online services.

Passwords 326

Passwords Encryption Password Management Cryptocurrency 326

Krebs on Security

JANUARY 24, 2020

Use 2-factor authentication, and require it to be used by all relevant users and subcontractors. -In Note that this may increase the amount of time it takes going forward to make key changes to the locked domain (such as DNS changes). Use DNSSEC (both signing zones and validating responses).

DNS 331

DNS Social Engineering Engineering Accountability 331

Krebs on Security

AUGUST 30, 2019

Salesforce told KrebsOnSecurity that this was not a compromise of Pardot, but of a Pardot customer account that was not using multi-factor authentication. However, in such setups the content that gets promoted through the client’s domain is actually hosted on the cloud CRM provider’s systems.

Phishing 254

Phishing Marketing Accountability DNS 254

Krebs on Security

APRIL 3, 2024

“The data table “User Feedbacks” (sic) exposes what appear to be customer authentication tokens, user identifiers, and even a customer support request that exposes root-level SMTP credentials–all visible by an unauthenticated user on a Manipulaters-controlled domain.

Phishing 295

Phishing Cybercrime Malware Advertising 295

Krebs on Security

OCTOBER 5, 2022

Our community is all about authentic people having meaningful conversations and to always increase the legitimacy and quality of our community.” . “We do stop the vast majority of fraudulent activity we detect in our community – around 96% of fake accounts and around 99.1% of spam and scams.

Accountability 314

Accountability Scams Artificial Intelligence Cryptocurrency 314

Krebs on Security

JANUARY 22, 2019

Contacted by KrebsOnSecurity, GoDaddy acknowledged the authentication weakness documented by Guilmette. “After investigating the matter, our team confirmed that a threat actor(s) abused our DNS setup process,” the company said in an emailed statement.

DNS 275

DNS Internet Internet Computers and Electronics 275

Krebs on Security

AUGUST 17, 2023

Redline infections steal gobs of data from the victim machine, including a list of recent downloads, stored passwords and authentication cookies, as well as browser bookmarks and auto-fill data.

Phishing 241

Phishing Passwords Hacking Internet 241