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    Wiz Blog

    wiz.io · Company blog · on HN since 2021

    Wiz's company blog publishes cloud security research, including vulnerability disclosures in Azure and exposed databases at AI companies.

    Visit blogHN submissions
    SecurityDevOps & Cloud
    What HN says

    HN links it for vulnerability findings such as ChaosDB, the exposed DeepSeek database and Shai-Hulud, while commenters also discuss the company's fast growth and acquisition by Google.

    Stats for nerds
    164HN people shared it
    104linked in comments
    2.7Kstory points
    Aug 2026last shared
    2023people per year2026

    Top posts on HN

    1. 1
      Exposed DeepSeek database leaking sensitive information, including chat history
      6 people · 707 points · first shared 2025 · 474 comments on HN
    2. 2
      "Secret" Agent Exposes Azure Customers to Unauthorized Code Execution
      3 people · 296 points · first shared 2021 · 107 comments on HN
    3. 3
      SAPwned: SAP AI vulnerabilities expose customers' cloud environments and privat
      1 person · 254 points · first shared 2024 · 66 comments on HN
    4. 4
      How to harden GitHub Actions
      1 person · 218 points · first shared 2025 · 71 comments on HN
    5. 5
      RediShell: Critical remote code execution vulnerability in Redis
      1 person · 143 points · first shared 2025 · 56 comments on HN
    6. 6
      ChaosDB Explained: Azure's Cosmos DB Vulnerability Walkthrough
      14 people · 137 points · first shared 2021 · 34 comments on HN
    7. 7
      Critical RCE Vulnerabilities in React and Next.js
      1 person · 134 points · first shared 2025 · 77 comments on HN
    8. 8
      Critical vulnerability in AI coding platform Base44 allowing unauthorized access
      2 people · 128 points · first shared 2025 · 74 comments on HN
    9. 9
      38TB of data accidentally exposed by Microsoft AI researchers
      3 people · 125 points · first shared 2023 · 42 comments on HN
    10. 10
      Critical Unauthenticated Remote Code Execution Vulnerabilities in Ingress NGINX
      4 people · 90 points · first shared 2025 · 11 comments on HN

    What HN people wrote when they linked it

    • majestikMar 2025

      This deal isn't about security, it's about data.

      Google already have one of the best security teams in the industry - Project Zero [0]. They don't need Wiz's "enterprise" expertise for security.

      This deal is about DATA. Wiz, as a cybersecurity vendor, have full remote access to their customers cloud compute storage (EC2 EBS volumes, etc) in the name of "security scanning" - this is actually part of their unique selling point - "agent-less scanning" which is unlike traditional security tools that require an agent installed in the OS. Instead, Wiz is able to just clone your full data volume and scan it locally in their cloud accounts/VPC.

      With this deal Google has bought a ton of confidential data from Wiz's customers without their explicit knowledge or approval, and they will use it to improve Google's AI models like Gemini and probably several other products.

      A year ago Google struck a $60M/yr deal with Reddit to exclusively license their content [1] for the same reason, and that data is probably much smaller and less valuable than the data Wiz has access to from their customers, which include companies like Morgan Stanley, DocuSign, Slack, Plaid, and others. [2]

      Sources:

      0: https://googleprojectzero.blogspot.com

      1: https://www.reuters.com/technology/reddit-ai-content-licensing-deal-with-google-sources-say-2024-02-22/

      2: https://www.wiz.io/customers

    • noAnswerSep 2025

      "Not really true"?! TRUE AS HELL! "Outlook New" LITERALLY DOES THAT! It's an infostealer. Microsoft gets your login info and downloads your mails, contacts and calenders to its own servers!

      How this app is legal and not marked as malware is beyond me! It's the biggest information heists in history!

      https://www.heise.de/en/news/Microsoft-lays-hands-on-login-data-Beware-of-the-new-Outlook-9608798.html https://cybernews.com/privacy/new-outlook-copies-user-emails-to-microsoft-cloud/

      > If they betray trust on such a scale, and we find out, they'll be out of business.

      The decision makers don't care. They could eat children and they still would buy from them.

      https://www.wiz.io/blog/storm-0558-compromised-microsoft-key-enables-authentication-of-countless-micr

    • justincliftMay 2024

      There are so many that it's just not funny. :(

      • https://www.nbcnews.com/tech/security/scathing-federal-report-rips-microsoft-shoddy-security-insincerity-res-rcna146177

      • https://www.wiz.io/blog/bingbang

      • https://www.theverge.com/2023/7/12/23792371/security-breach-china-us-government-emails-microsoft-cloud-exploit

      • https://www.wiz.io/blog/midnight-blizzard-microsoft-breach-analysis-and-best-practices

      These are just the first few I've found for the last 12 months.

      There are more if you go back even 12 months further, and I'm pretty sure the above aren't the complete list for the last year anyway.

      Microsoft are actually really bad at this Cloud "security" thing. :( :( :(

    • crimsontechMar 2024

      Here are few big ones from the past 12 months.

      https://www.wiz.io/blog/bingbang

      https://www.theverge.com/2023/7/12/23792371/security-breach-china-us-government-emails-microsoft-cloud-exploit

      https://www.wiz.io/blog/midnight-blizzard-microsoft-breach-analysis-and-best-practices

      I would agree, the Windows OS has really matured since XP, from a security perspective at least.

      I would definitely expect better than this from a tech giant like MS. When was the last time Google, Meta, or Apple got breached like this?

      Edited to add, I think them open sourcing some security training is good, it benefits everyone whether or not MS themselves are a great example of a secure company.

    • ryoshoeMay 2026

      I found these references to Mullvad and TeamPCP

      >The whole operation ran primarily from Mullvad VPN exit nodes and virtual private server infrastructure, with little effort made to blend in. This was a high-tempo, low-stealth campaign designed to extract as much value as possible, as fast as possible.[1]

      >Wiz CIRT observed the bulk of TeamPCP’s activity originating from Mullvad Virtual Private Network (VPN) exit nodes and virtual private server hosts such as InterServer.[2]

      1: https://www.oligo.security/blog/teampcp-campaign-the-evolution-of-modern-supply-chain-attacks

      2: https://www.wiz.io/blog/tracking-teampcp-investigating-post-compromise-attacks-seen-in-the-wild

    • pritambarhateSep 2023

      Found following from the links from the post:

      2023-07: Hackers stole a Microsoft Azure Active Directory certificate which gave them full access to basically all Microsoft cloud services including Outlook, Office, SharePoint, Teams, "Login with Microsoft", and so forth. (MS blog entry [1], Source[2], German source)

      Also the following:

      https://infosec.exchange/@briankrebs/110820474957163710

      Quite damning if true.

      [1]: https://www.microsoft.com/en-us/security/blog/2023/07/14/analysis-of-storm-0558-techniques-for-unauthorized-email-access/
      [2]: https://www.wiz.io/blog/storm-0558-compromised-microsoft-key-enables-authentication-of-countless-micr

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