Data Breaches

500 million WhatsApp mobile numbers up for sale on the dark web

A database of 487 million WhatsApp users’ mobile numbers has been put up for sale on the Breached.vc hacking community forum. The data set contains information on WhatsApp users from more than 84 countries, the post shows. The story was first reported by Cybernews. The seller of the leaked data is also offering it through the controversial messaging app Telegram, where the person or the group goes by handle “Palm Yunn.” On the hacking community forum,…

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Hacker attempts to sell data of 500m WhatsApp users on dark web

A hacker has allegedly posted a dataset to the dark web containing the personal information of almost 500 million WhatsApp users. In the post, which was uploaded to hacking forum BreachForums on November 16, the hacker claimed to be selling up-to-date personal information of 487 million WhatsApp users from 84 countries. In the post, the alleged hacker said those who bought the datasets would recieve “very recent mobile numbers” of WhatsApp users. The leak was…

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Here is why you should have Cobalt Strike detection in place

Google recently released a list of YARA detection rules for malicious variants of the legitimate Cobalt Strike penetration testing framework that are being used by hackers in the wild. Cobalt Strike is a commercial attack framework designed for red teams that has also been adopted by many threat actors, from APT groups to ransomware gangs and other cybercriminals. Living off the land is a common tactic The abuse by attackers of system administration, forensic, or…

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Top 7 CIAM tools

Customer identity and access management (CIAM), a subset of identity access management (IAM), is used to manage authentication and authorization of account creation and login process for public facing applications. To helps organizations compare their needs against the options in the market, CSO prepared a list with the top seven vendors in the market. To decide for the right CIAM product, organizations must balance the ease of the login experience with a kaleidoscope of business…

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IOTW: Twitter accused of covering up data breach that affects millions

A Los Angeles-based cyber security expert has warned of a data breach at social media site Twitter that has allegedly affected “millions” across the US and EU. Chad Loder, who is the founder of cyber security awareness company Habitu8, took to the social media site on November 23 to warn users of the alleged data breach that Loder claims occurred “no earlier than 2021” and “has not been reported before”. In a series of tweets,…

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Cybercriminals are increasingly using info-stealing malware to target victims

Cybercriminals are increasingly shifting from automated scam-as-a-service to more advanced info stealer malware distributors as the competition for resources increases, and they look for new way to make profits, according to a report by Group-IB.  The cybersecurity company has identified 34 Russian-speaking groups distributing info-stealing malware under the stealer-as-a-service model. Info stealer malware collects users’ credentials stored in browsers, gaming accounts, email services, social media, bank card details, and crypto wallet information from infected computers,…

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DUCKTAIL malware campaign targeting Facebook business and ads accounts is back

A group of attackers, likely based in Vietnam, that specializes in targeting employees with potential access to Facebook business and ads management accounts, has re-emerged with changes to its infrastructure, malware, and modus operandi after being initially outed a few months ago. Dubbed DUCKTAIL by researchers from WithSecure, the group uses spear phishing to target individuals on LinkedIn who have job descriptions that could suggest they have access to manage Facebook business accounts. More recently,…

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EPSS explained: How does it compare to CVSS?

The Common Vulnerability Scanning System (CVSS) is the most frequently cited rating system to assess the severity of security vulnerabilities. It has been criticized, however, as not being appropriate to assess and prioritize risk from those vulnerabilities. For this reason, some have called for using the Exploit Prediction Scoring System (EPSS) or combining CVSS and EPSS to make vulnerability metrics more actionable and efficient. Like CVSS, EPSS is governed by the Forum of Incident Response…

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Meta outlines US involvement in social media disinformation in new report

A report released by Meta’s security team describes the company’s shutdown of a network of Facebook and Instagram accounts participating in what it calls coordinated inauthentic behavior, and linking some of those accounts to the US military. “Coordinated inauthentic behavior” is Meta’s term for misinformation activity performed by groups of social media accounts on its platforms that target particular groups or demographics. CIB groups, the company said in a 2018 official blog post, are targeted…

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The Biden administration has racked up a host of cybersecurity accomplishments

When it comes to hitting the ground running on cybersecurity, the Biden administration has engaged in an extensive set of initiatives that far outstrip those of the Trump administration – and even those of the Obama administration, which established the previous highwater mark for cybersecurity actions. In mid-October, the White House issued a fact sheet about the Biden-Harris administration’s “relentless focus” on improving the nation’s cybersecurity to tout its impressive sprint. The document outlined the…

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