Muthu D (@_anonysm) header
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CVE-2026-64861 | Security Engineer | Bug Bounty Hunter

Joined June 2022
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Secured the #24th spot on the MSRC’s 2023 Q4 Leaderboard! 🚀🏆 Check out Microsof Leadboard: msrc.microsoft.com/leaderboa… #Microsoft #BugBounty #ethicalhacking #hacker #PenetrationTesting #Pentesting #Cybersecurity #infosec #infosecurity
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Dear @SBICard_Connect @TheOfficialSBI , Five international debit card refunds worth $411 are still missing despite the merchant confirming successful processing and providing ARN references. The promised 7 business days have passed. Multiple follow-ups, but still no resolution.
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Is this what grievance redressal means, SBI? How long does a customer have to chase their own money?
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Not even the bank manager or customer support team seems to know how to trace an ARN. Then who is actually handling these refund complaints? @TheOfficialSBI @SBICard_Connect
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Got my first CVE today 🎉 Found a DoS bug in @getprobo's GraphQL API — no alias/depth/complexity limits, so a single query with 7,000 aliases just... went through. 300 parallel requests spiked CPU to 1033% and memory 10x. now officially CVE-2026-64861 #CVE #GraphQL #BugBounty
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Apple HOF — June 2026. #bugbounty #cybersecurity
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Excited to start this new journey with @Yalla_Hack Thankful for the opportunity and trust 🙌
We’re thrilled to welcome @_anonysm to the @Yalla_Hack team as our new Senior Security Analyst! Muthu has already made waves in the cybersecurity community from uncovering critical bugs in @Microsoft platforms to contributing to security advancements at @Apple .
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Muthu D retweeted
We’re thrilled to welcome @_anonysm to the @Yalla_Hack team as our new Senior Security Analyst! Muthu has already made waves in the cybersecurity community from uncovering critical bugs in @Microsoft platforms to contributing to security advancements at @Apple .
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Grateful to GSDC for recognising me as a Knowledge Advisor and awarding the Certificate of Achievement for my ISO 42001 & ISO 27001 session. ✨ #bugbounty #cybersecurity
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Saw the love & negatives. Just to clarify my intention: This is to inspire anyone with an old laptop - even a 10-year-old machine can do bug bounty. Mac isn’t a downgrade, I switched as I’m focused on Apple BBP. And no, I’m not selling any course 😅 Just sharing my journey.
Bug bounty gave me more than money. It gave me the power to choose and afford my life. Grateful to the programs that made this real 🤍 #bugbounty #cybersecurity
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Bug bounty gave me more than money. It gave me the power to choose and afford my life. Grateful to the programs that made this real 🤍 #bugbounty #cybersecurity
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Microsoft BlueHat Asia 2025, Bengaluru 🤍 #Microsoft #BlueHatAsia #BugBounty
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After a long time, a fast accept from Google! ⚡ Business Logic Flaw accepted in just 4 days. #GoogleVRP #BugBounty #InfoSec
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Apple’s September Hall of Fame 🍎 #bugbounty
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Another issue I reported to Apple BugBounty Program got fixed ✅ Bug bounty is funny sometimes—you report & forget… then one day, during a low phase, you get an update that reignites hope ✨ #BugBounty #AppleSecurity #Infosec
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Another one wrapped up at @msftsecresponse
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Found & reported a critical Azure vuln — exposed service principal creds → admin-level access, full app control, & privilege escalation. MSRC rated it moderate but fixed it in 20 min. No bounty, but a win for cloud security . @msftsecresponse #BugBounty #InfoSec #Hacking
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Honored to be recognized by the @hackprove_ Team with a Certificate of Appreciation for sharing my experience in the webinar “How I Earned $10,000 for a Single Vulnerability from Microsoft”. #BugBounty #CyberSecurity #Pentesting
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Just randomly checked my Apple Security portal and realized I was awarded a bounty—$$$$ for reporting a security issue! Didn’t even notice the email from 3 weeks ago. #bugbounty #infosec #securityresearch
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Grateful to @hackprove_ for highlighting my bug bounty journey! Getting paid even when unemployed. If you’re tired of duplicates, check out Hackprove.com—less crowd, solid payouts. Big thanks to all #bugbounty platforms that let us get paid while securing companies!
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