Krebs on Security

JULY 18, 2022

For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States. THE INTERNET NEVER FORGETS.

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VPN Computers and Electronics Antivirus Software 349

Krebs on Security

JULY 31, 2024

Your Web browser knows how to find a site like example.com thanks to the global Domain Name System (DNS), which serves as a kind of phone book for the Internet by translating human-friendly website names (example.com) into numeric Internet addresses.

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DNS Internet Internet Phishing 306

Krebs on Security

SEPTEMBER 18, 2024

The page listed the correct time and date of the funeral service, which it claimed could be streamed over the Internet by following a link that led to a page requesting credit card information. xyz is currently hosted at a Bangladeshi web hosting provider named cloudswebserver[.]com The Internet address of livestreamnow[.]xyz

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Scams DNS Internet Internet 63

Krebs on Security

NOVEMBER 13, 2021

The Federal Bureau of Investigation (FBI) confirmed today that its fbi.gov domain name and Internet address were used to blast out thousands of fake emails about a cybercrime investigation. ” A review of the email’s message headers indicated it had indeed been sent by the FBI, and from the agency’s own Internet address.

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Internet Internet Hacking Accountability 363

Krebs on Security

AUGUST 23, 2024

At issue is a well-known security and privacy threat called “ namespace collision ,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on the open Internet. SSL/TLS certs). Image: Defcon.org.

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DNS Internet Internet Authentication 320

Krebs on Security

MAY 6, 2024

Virtual private networking (VPN) companies market their services as a way to prevent anyone from snooping on your Internet usage. When a device initially tries to connect to a network, it broadcasts a message to the entire local network stating that it is requesting an Internet address. Image: Shutterstock.

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VPN Wireless Internet Internet 321

Krebs on Security

MARCH 23, 2020

Cached versions of weblistingsinc.org at archive.org show logos similar to the one featured on the Web Listings mailer, and early versions of the site reference a number of “business partners” in India that also perform SEO services. A cached copy of Mark Scott’s blog Internet Madness from 2011 promotes Web Listings Inc.

Scams 295

Scams Marketing Internet Internet 295

Krebs on Security

AUGUST 2, 2022

With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. A review of the Internet addresses historically used by Super-socks[.]biz Image: Spur.us.

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Malware Cybercrime Internet Internet 312

Krebs on Security

JANUARY 22, 2019

Experts at Cisco Talos and other security firms quickly drew parallels between the two mass spam campaigns, pointing to a significant overlap in Russia-based Internet addresses used to send the junk emails. domaincontrol.com and ns18.domaincontrol.com). domaincontrol.com).

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DNS Internet Internet Computers and Electronics 268

Krebs on Security

APRIL 18, 2023

Kilmer said Faceless has emerged as one of the underground’s most reliable malware-based proxy services, mainly because its proxy network has traditionally included a great many compromised “Internet of Things” devices — such as media sharing servers — that are seldom included on malware or spam block lists.

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Malware Passwords Accountability Advertising 290

Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. SocksEscort[.]com com , is what’s known as a “SOCKS Proxy” service.

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Malware VPN Internet Internet 237

Krebs on Security

NOVEMBER 21, 2020

NiceHash founder Matjaz Skorjanc said the unauthorized changes were made from an Internet address at GoDaddy, and that the attackers tried to use their access to its incoming NiceHash emails to perform password resets on various third-party services, including Slack and Github.

Cryptocurrency 363

Cryptocurrency VPN Scams Social Engineering 363

Krebs on Security

DECEMBER 11, 2019

A top executive at the nonprofit entity responsible for doling out chunks of Internet addresses to businesses and other organizations in Africa has resigned his post following accusations that he secretly operated several companies which sold tens of millions of dollars worth of the increasingly scarce resource to online marketers.

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Internet Internet Marketing Government 220

Krebs on Security

NOVEMBER 26, 2019

” Technically, what my source did was wire fraud (obtaining something of value via the Internet/telephone/fax through false pretenses); had he done it through the U.S. mail, he could be facing mail fraud charges if caught. Then you either mail or fax it in. After that, they send account creation links to all the contacts.”

Government 359

Government Internet Internet Web Fraud 359

Krebs on Security

JULY 29, 2022

re is was one of the original “residential proxy” networks, which allow someone to rent a residential IP address to use as a relay for his/her Internet communications, providing anonymity and the advantage of being perceived as a residential user surfing the web.

Cybercrime 315

Cybercrime Software VPN Backups 315

Krebs on Security

JULY 29, 2021

One might even say passwords are the fossil fuels powering most IT modernization: They’re ubiquitous because they are cheap and easy to use, but that means they also come with significant trade-offs — such as polluting the Internet with weaponized data when they’re leaked or stolen en masse. TARGETED PHISHING.

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Passwords Password Management Phishing Scams 363

Krebs on Security

JUNE 28, 2022

There is also ample evidence to suggest that Glupteba may have spawned Meris , a massive botnet of hacked Internet of Things (IoT) devices that surfaced in September 2021 and was responsible for some of the largest and most disruptive distributed denial-of-service (DDoS) attacks the Internet has ever seen. But on Dec.

Passwords 300

Passwords Malware Internet Internet 300

Krebs on Security

FEBRUARY 8, 2021

The security flaw was briefly alluded to in a 2018 writeup on U-Admin by the SANS Internet Storm Center. “Looking at the professionality of the code, the layout and the functionality I’m giving this control panel 3 out of 5 stars,” joked SANS guest author Remco Verhoef.

Phishing 327

Phishing Scams Banking Mobile 327

Krebs on Security

JANUARY 24, 2020

While fraudsters who have hijacked your domain and/or co-opted access to your domain registrar can and usually will try to remove any DNSSEC records associated with the hijacked domain, it generally takes a few days for these updated records to be noticed and obeyed by the rest of the Internet.

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DNS Social Engineering Engineering Accountability 313

Krebs on Security

APRIL 4, 2024

Other Privnote phishing domains that also phoned home to the same Internet address as pirwnote[.]com com is currently selling security cameras made by the Chinese manufacturer Hikvision , via an Internet address based in Hong Kong. Searching DomainTools for domains that include both of these terms reveals pirwnote[.]com.

Phishing 269

Phishing Cryptocurrency DDOS Internet 269

Krebs on Security

NOVEMBER 4, 2021

The true Internet address of the link included in the FedEx SMS phishing campaign is hidden behind content distribution network Cloudflare , but a review of its domain name system (DNS) records shows it resolves to 23.92.29[.]42. com — stopped resolving. But I doubt we’ve seen the last of these phishers.

Phishing 334

Phishing Scams Mobile DNS 334

Krebs on Security

DECEMBER 8, 2022

The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them booby-trapped medical records for the “patient.” ” The other involves carefully editing email inboxes of public company executives to make it appear that some were involved in insider trading. ”

Healthcare 320

Healthcare Backups Ransomware Insurance 320

Krebs on Security

FEBRUARY 3, 2022

Linkedin’s parent company — Microsoft Corp — is by all accounts the most-phished brand on the Internet today. A report last year from Check Point found roughly 45 percent of all brand phishing attempts globally target Microsoft. Check Point said LinkedIn was the sixth most phished brand last year.

Phishing 357

Phishing Marketing Scams Accountability 357

Krebs on Security

MAY 16, 2020

A federal fraud investigator who spoke with KrebsOnSecurity on condition of anonymity said many states simply don’t have enough controls in place to detect patterns that might help better screen out fraudulent unemployment applications, such as looking for multiple applications involving the same Internet addresses and/or bank accounts.

Insurance 363

Insurance Banking Identity Theft Accountability 363

Krebs on Security

SEPTEMBER 2, 2021

The data in this story come from a trusted source in the security industry who has visibility into a network of hacked machines that fraudsters in just about every corner of the Internet are using to anonymize their malicious Web traffic. How do the compromised email credentials break down in terms of ISPs and email providers?

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Accountability Authentication Passwords Hacking 341

Krebs on Security

AUGUST 18, 2022

Also, the email headers in the phishing message (PDF) show that it passed all email validation checks as being sent by PayPal, and that it was sent through an Internet address assigned to PayPal. Both the email and the invoice state that “there is evidence that your PayPal account has been accessed unlawfully.”

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Scams Phishing Accountability Software 339

Krebs on Security

JANUARY 25, 2024

19, 2024) of more than 200 domains at the Internet address 93.190.143[.]252 Hegel noted that the spike in malicious software-themed ads came not long after Microsoft started blocking by default Office macros in documents downloaded from the Internet. How do we know freecad-us[.]org org is malicious? com , filezillasoft[.]com

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Software Advertising Malware Accountability 315

Krebs on Security

JULY 15, 2024

.” The researchers say some Squarespace domains that were migrated over also could be hijacked if attackers discovered the email addresses for less privileged user accounts tied to the domain, such as “domain manager,” which likewise has the ability to transfer a domain or point it to a different Internet address.

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Accountability Cryptocurrency Passwords DNS 325

Krebs on Security

DECEMBER 5, 2022

In December 2021, Google filed a civil lawsuit against two Russian men thought to be responsible for operating Glupteba , one of the Internet’s largest and oldest botnets.

Cybercrime 291

Cybercrime Malware Internet Internet 291

Krebs on Security

NOVEMBER 23, 2018

‘Tis the season when even those who know a thing or two about Internet scams tend to let down their guard in the face of an eye-popping discount or the stress of last-minute holiday shopping. Postal Service , or their wireless phone provider and/or Internet Service Provider (ISP). Maybe this was once sound advice.

Scams 279

Scams Wireless Phishing Banking 279

Krebs on Security

MAY 23, 2020

In too many cases, he said, the deposits are going into accounts where the beneficiary name does not match the name on the bank account. Worse still, the source said, many states have dramatically pared back the amount of information required to successfully request an unemployment filing.

Insurance 355

Insurance Accountability Banking Government 355

Krebs on Security

MAY 21, 2021

” Last year, some 16,012 people reported being victims of employment scams with losses totaling more than $59 million, according to the FBI’s Internet Crime Complaint Center (IC3).

Scams 364

Scams Accountability Advertising Web Fraud 364

Krebs on Security

DECEMBER 13, 2022

In November 2021, KrebsOnSecurity detailed how Pompompurin abused a vulnerability in an FBI online portal designed to share information with state and local law enforcement authorities, and how that access was used to blast out thousands of hoax email messages — all sent from an FBI email and Internet address.

Hacking 363

Hacking Energy and Utilities Cybercrime Accountability 363

Krebs on Security

JULY 21, 2022

REACTs’ West said while there are a large number of pig butchering victims reporting their victimization to the FBI, very few are receiving anything more than instructions about filing a complaint with the FBI’s Internet Crime Complaint Center (IC3), which keeps track of cybercrime losses and victims.

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Scams Cryptocurrency Marketing Internet 327

Krebs on Security

APRIL 3, 2024

The core Manipulaters product these days is a spam delivery service called HeartSender , whose homepage openly advertises phishing kits targeting users of various Internet companies, including Microsoft 365 , Yahoo , AOL , Intuit , iCloud and ID.me , to name a few. .” A number of questions, indeed. Second I leave country already.

Phishing 276

Phishing Cybercrime Malware Advertising 276

Krebs on Security

FEBRUARY 24, 2023

BitSight researchers found significant overlap in the Internet addresses used by those domains and a domain called BHproxies[.]com. The Mylobot malware includes more than 1,000 hard-coded and encrypted domain names, any one of which can be registered and used as control networks for the infected hosts.

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Accountability Advertising Marketing Malware 286

Krebs on Security

MARCH 7, 2023

It remains unclear why Freenom has stopped allowing domain registration, but it could be that the company was recently the subject of some kind of disciplinary action by the Internet Corporation for Assigned Names and Numbers (ICANN), the nonprofit entity which oversees the domain registrars.

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Phishing Media Internet Internet 300