Krebs on Security

Google says it recently fixed an authentication weakness that allowed crooks to circumvent email verification needed to create a Google Workspace account, and leverage that to impersonate a domain holder to third-party services that allow logins through Google's "Sign in with Google" feature.

The Chinese company in charge of handing out domain names ending in “.top” has been given until mid-August 2024 to show that it has put in place systems for managing phishing reports and suspending abusive domains, or else forfeit its license to sell domains. The warning comes amid the release of new findings that .top was the most common suffix in phishing websites over the past year, second only to domains ending in “.com.”

A faulty software update from cybersecurity vendor Crowdstrike crippled countless Microsoft Windows computers across the globe today, disrupting everything from airline travel and financial institutions to hospitals and businesses online. Crowdstrike said a fix has been deployed, but experts say the recovery from this outage could take some time, as Crowdstrike's solution needs to be applied manually on a per-machine basis.

At least a dozen organizations with domain names at domain registrar Squarespace saw their websites hijacked last week. Squarespace bought all assets of Google Domains a year ago, but many customers still haven't set up their new accounts. Experts say malicious hackers learned they could commandeer any migrated Squarespace accounts that hadn't yet been registered, merely by supplying an email address tied to an existing domain.

AT&T Corp. disclosed today that a new data breach has exposed phone call and text message records for roughly 110 million people -- nearly all of its customers. AT&T said it delayed disclosing the incident in response to "national security and public safety concerns," noting that some of the records included data that could be used to determine where a call was made or text message sent. AT&T also acknowledged the customer records were exposed in a cloud database that was protected only by a username and password (no multi-factor authentication needed).

The Russia-based cybercrime group dubbed "Fin7," known for phishing and malware attacks that have cost victim organizations an estimated $3 billion in losses since 2013, was declared dead last year by U.S. authorities. But experts say Fin7 has roared back to life in 2024 -- setting up thousands of websites mimicking a range of media and technology companies -- with the help of Stark Industries Solutions, a sprawling hosting provider is a persistent source of cyberattacks against enemies of Russia.

Microsoft Corp. today issued software updates to plug 139 security holes in various flavors of Windows and other Microsoft products. Redmond says attackers are already exploiting at least two of the vulnerabilities in active attacks against Windows users.

Most accomplished cybercriminals go out of their way to separate their real names from their hacker handles. But among certain old-school Russian hackers it is not uncommon to find major players who have done little to prevent people from figuring out who they are in real life. A case study in this phenomenon is "x999xx," the nickname chosen by a venerated Russian hacker who specializes in providing the initial network access to various ransomware groups.

On March 8, 2024, KrebsOnSecurity published a deep dive on the consumer data broker Radaris, showing how the original owners are two men in Massachusetts who operated multiple Russian language dating services and affiliate programs, in addition to a dizzying array of people-search websites. The subjects of that piece are threatening to sue KrebsOnSecurity for defamation unless the story is retracted. Meanwhile, their attorney has admitted that the person Radaris named as the CEO from its inception is a fabricated identity.

A 22-year-old man from the United Kingdom arrested this week in Spain is allegedly the ringleader of Scattered Spider, a cybercrime group suspected of hacking into Twilio, LastPass, DoorDash, Mailchimp, and nearly 130 other organizations over the past two years.