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Data of 21 million Mixcloud users put up for sale on the dark web

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A hacker has breached online music streaming service Mixcloud earlier this month, and is now selling the site’s user data online, on a dark web marketplace.

The hack came to light on Friday, when the hacker contacted several journalists to share news of the breach and to provide data samples, including to ZDNet.

Accordig to a sample of the stolen data, the hacker is selling Mixcloud user information that includes details such as usernames, email addresses, hashed password strings, users’ country of origin, registration dates, last login dates, and IP addresses.

The breach appears to have taken place on or before November 13, which is the registration date for the last user profile included in the data dump.

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Image: ZDNet

ZDNet emailed several users whose data was included in the sample we received, and several have confirmed they had recently registered a Mixcloud account. Tech news sites TechCrunch and Motherboard also verified the data authenticity through other means, as well.

Mixcloud confirmed the breach in a blog post on Saturday.

The company said that most users had signed up through Facebook, and did not have a password associated with their account.

For those that did, Mixcloud said that passwords should be safe, as each one was salted and passed through a strong hashing function (SHA256 algorightm, accordng to the sample we received), making it currently impossible to reverse back to its cleartext form.

Either way, the company recommended that users reset passwords, just to be safe.

This means that the data advertised on the dark web right now is just a long list of email addresses and uncrackable passwords. The Mixcloud data is currently sold for a price of $2,000.

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Image: ZDNet

The hacker behind the Mixcloud breach goes by the name of A_W_S, and has been involved in other hacks together with another hacker known as Gnosticplayers.

He previously claimed responsability in August for hacking Canva (137 million users), Chegg (40 million), Poshmark (36 million), PromoFarma (26 million), RoadTrippers (25 million), StockX (6.8 million), StorEnvy (23 million), and Wirecard Brazil (48 million).

When ZDNet asked for proof of the breaches, he only provided user data samples for four — namely Canva, Chegg, PromoFarma, and RoadTrippers.

Only Canva, Chegg, and StockX publicly acknowledged the breaches. The other five companies did not return a request for comment from ZDNet, sent back in August.

This data, too, had been put up for sale online, on August 5, earlier this year.

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ImageL ZDNet



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The Five Pillars of (Azure) Cloud-based Application Security

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This 1-hour webinar from GigaOm brings together experts in Azure cloud application migration and security, featuring GigaOm analyst Jon Collins and special guests from Fortinet, Director of Product Marketing for Public Cloud, Daniel Schrader, and Global Director of Public Cloud Architecture and Engineering, Aidan Walden.

These interesting times have accelerated the drive towards digital transformation, application rationalization, and migration to cloud-based architectures. Enterprise organizations are looking to increase efficiency, but without impacting performance or increasing risk, either from infrastructure resilience or end-user behaviors.

Success requires a combination of best practice and appropriate use of technology, depending on where the organization is on its cloud journey. Elements such as zero-trust access and security-driven networking need to be deployed in parallel with security-first operations, breach prevention and response.

If you are looking to migrate applications to the cloud and want to be sure your approach maximizes delivery whilst minimizing risk, this webinar is for you.

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Data Management and Secure Data Storage for the Enterprise

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This free 1-hour webinar from GigaOm Research brings together experts in data management and security, featuring GigaOm Analyst Enrico Signoretti and special guest from RackTop Systems, Jonathan Halstuch. The discussion will focus on data storage and how to protect data against cyberattacks.

Most of the recent news coverage and analysis of cyberattacks focus on hackers getting access and control of critical systems. Yet rarely is it mentioned that the most valuable asset for the organizations under attack is the data contained in these systems.

In this webinar, you will learn about the risks and costs of a poor data security management approach, and how to improve your data storage to prevent and mitigate the consequences of a compromised infrastructure.

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CISO Podcast: Talking Anti-Phishing Solutions

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Simon Gibson earlier this year published the report, “GigaOm Radar for Phishing Prevention and Detection,” which assessed more than a dozen security solutions focused on detecting and mitigating email-borne threats and vulnerabilities. As Gibson noted in his report, email remains a prime vector for attack, reflecting the strategic role it plays in corporate communications.

Earlier this week, Gibson’s report was a featured topic of discussions on David Spark’s popular CISO Security Vendor Relationship Podcast. In it, Spark interviewed a pair of chief information security officers—Mike Johnson, CISO for SalesForce, and James Dolph, CISO for Guidewire Software—to get their take on the role of anti-phishing solutions.

“I want to first give GigaOm some credit here for really pointing out the need to decide what to do with detections,” Johnson said when asked for his thoughts about selecting an anti-phishing tool. “I think a lot of companies charge into a solution for anti-phishing without thinking about what they are going to do when the thing triggers.”

As Johnson noted, the needs and vulnerabilities of a large organization aligned on Microsoft 365 are very different from those of a smaller outfit working with GSuite. A malicious Excel macro-laden file, for example, poses a credible threat to a Microsoft shop and therefore argues for a detonation solution to detect and neutralize malicious payloads before they can spread and morph. On the other hand, a smaller company is more exposed to business email compromise (BEC) attacks, since spending authority is often spread among many employees in these businesses.

Gibson’s radar report describes both in-line and out-of-band solutions, but Johnson said cloud-aligned infrastructures argue against traditional in-line schemes.

“If you put an in-line solution in front of [Microsoft] 365 or in front of GSuite, you are likely decreasing your reliability, because you’ve now introduced this single point of failure. Google and Microsoft have this massive amount of reliability that is built in,” Johnson said.

So how should IT decision makers go about selecting an anti-phishing solution? Dolph answered that question with a series of questions of his own:

“Does it nail the basics? Does it fit with the technologies we have in place? And then secondarily, is it reliable, is it tunable, is it manageable?” he asked. “Because it can add a lot overhead, especially if you have a small team if these tools are really disruptive to the email flow.”

Dolph concluded by noting that it’s important for solutions to provide insight that can help organizations target their protections, as well as support both training and awareness around threats. Finally, he urged organizations to consider how they can measure the effectiveness of solutions.

“I may look at other solutions in the future and how do I compare those solutions to the benchmark of what we have in place?”

Listen to the Podcast: CISO Podcast

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