Alexandre Borges

Alexandre Borges✓

Mastodon @alexandreborges@infosec.exchange
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🔒 Paid proposals held safely in escrow — released only when the work's approved.

📣Sponsored postOne disclosed post (toot) with your link and message. $12→ 🧵Sponsored threadA multi-post explainer or story — the fediverse rewards dept… $30→ 📦Product seeding / honest reviewSend me your product — I post a disclosed, honest take. Auth… $16→ 📌Pinned sponsored postA disclosed post pinned to the top of my profile for the mon… $36/mo→ 🔗Profile link (bio field)Your link in one of my profile metadata fields for the month… $18/mo→ 🔁Boost packageI boost (repost) your account's toots through the month — di… $24/mo→ 🏛️Instance / community sponsorshipSponsor the server I run — a sponsor line in the About/rules… $30/mo→ 🤝Mutual boost collabWe boost each other across instances — a value swap between … Swap→

Every booking is a normal escrow-protected deal.

Followers
552
Account age
3 yrs

Known for

Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215): https://cyberstan.co.uk/drm-lpe-linux/ #linux #kernel #vulnerability #cybersecurity #exploitation10 views Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215): https://cyberstan.co.uk/drm-lpe-linux/ #linux #kernel #vulnerability #cybersecurity #exploitation Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503): https://research.jfrog.com/post/dissecting-and-exploiting-linux-lpe-variant-dirtyclone-cve-2026-43503/ #cve #linux #cybersecurity #informationsecurity #exploitation #vulnerability9 views Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503): https://research.jfrog.com/post/dissecting-and-exploiting-linux-lpe-variant-dirtyclone-cve-2026-43503/ #cve #linux #cybersecurity #informationsecurity #exploitation #vulnerability A Windows Kernel in a Browser Tab, Part I: Cold Boot, Fast Boot, and Four Megabytes: https://www.msuiche.com/posts/nanokrnl-cold-boot-fast-boot/ #kernel #infosec #programming #rust #windows #hacking5 views A Windows Kernel in a Browser Tab, Part I: Cold Boot, Fast Boot, and Four Megabytes: https://www.msuiche.com/posts/nanokrnl-cold-boot-fast-boot/ #kernel #infosec #programming #rust #windows #hacking Hunting Memory Leaks in bsnmpd with DTrace: https://oshogbo.com/blog/92/ #dtrace #cybersecurity #informationsecurity #infosec #performance4 views Hunting Memory Leaks in bsnmpd with DTrace: https://oshogbo.com/blog/92/ #dtrace #cybersecurity #informationsecurity #infosec #performance

📊 Post engagement

4
Avg engagement / post
0.7%
Engagement vs followers
Nov 2022
On Mastodon since

🔥 Top post: Unprivileged root via a use-after-free in DRM GEM change_handle · 10 likes + reposts

📊 Activity & format

Posting cadence
4.4 / week
Posts several times a week.
Content mix
Mostly images
Recent: 0 text · 12 image · 0 video.

Recent posts

View on Mastodon ↗
🔥 Top post Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215): https://cyberstan.co.uk/drm-lpe-linux/ #linux #kernel #vulnerability #cybersecurity #exploitation ★ 10
Frag Gap: https://blog.qwerty.or.kr/en/posts/cdf3008a-c1a4-4eca-a373-aa3a2bcf1489/ #kernel #network #cybersecurity #informationsecurity #exploitation #vulnerability #cve ★ 1 Hunting Memory Leaks in bsnmpd with DTrace: https://oshogbo.com/blog/92/ #dtrace #cybersecurity #informationsecurity #infosec #performance ★ 4 The work continues... a third vulnerability in just a few days, and like the other two, this one also affects iOS 26.5 and iOS 26.5.2. The challenge, as usual, centers on the next steps for exploitation. #ios #vulnerability #apple ★ 1 Redis 8.6: Remote Code Execution via Stream PEL Use After Free: https://zerotistic.blog/posts/redis-stream-pel-uaf/ #linux #vulnerability #exploitation #informationsecurity #infosec #cybersecurity ★ 2 Malwoverview 8.0.5 (Revolutions): https://github.com/alexandreborges/malwoverview #cybersecurity #malware #threathunting #informationsecurity #dfir Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503): https://research.jfrog.com/post/dissecting-and-exploiting-linux-lpe-variant-dirtyclone-cve-2026-43503/ #cve #linux #cybersecurity #informationsecurity #exploitation … ★ 9 BitLocker downgrade attacks: https://archives.pass-the-salt.org/Pass%20the%20SALT/2026/slides/PTS2026-TALK-13-bitlocker_talk_deck.pdf #windows #bitlocker #infosec #informationsecurity #cybersecurity #crypto ★ 1 A Windows Kernel in a Browser Tab, Part I: Cold Boot, Fast Boot, and Four Megabytes: https://www.msuiche.com/posts/nanokrnl-cold-boot-fast-boot/ #kernel #infosec #programming #rust #windows #hacking ★ 5 TrigonLegacy - Deterministic iOS 7-9 tfp0: https://therealclarity.github.io/blog/trigon-legacy/ #ios #apple #exploitation #informationsecurity #cybersecurity #vulnerability #reverseengineering (remember) Introducing usbliter8: https://ps.tc/pages/blog-usbliter8.html #cybersecurity #ios #exploitation #exploit #bootrom #iphone #informationsecurity #infosec ★ 1 Spiteful Fruit - AppleRAID Kernel Heap OOB Write: https://ret2p.lt/2026/06/30/softraid-spite.html #cybersecurity #informationsecurity #iOS #apple #vulnerability #informationsecurity #infosec #exploitation

🐘 Community & instance

Home server
infosec.exchange
A cybersecurity & infosec server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.

💡 Facts

🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 4 views per post.
📤Posts about 4.4× per week.

🛡️ Audience credibility

71/100 Good
  • Est. 92% real, active audience · Low fake-follower risk.
  • Engagement (~0.7% of followers engage each post) is around typical for Mastodon.
  • Verified account.
  • Established account (3+ years old).
Est. authentic audience
92%
Fake-follower risk
Low
Data confidence
Medium

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Vulnerability Researcher | Exploit Developer

📸 Gallery

Frag Gap: https://blog.qwerty.or.kr/en/posts/cdf3008a-c1a4-4eca-a373-aa3a2bcf1489/ #kernel #network #cybersecurity #informationsecurity #exploitation #vulnerability #cve Hunting Memory Leaks in bsnmpd with DTrace: https://oshogbo.com/blog/92/ #dtrace #cybersecurity #informationsecurity #infosec #performance The work continues... a third vulnerability in just a few days, and like the other two, this one also affects iOS 26.5 and iOS 26.5.2. The challenge, as usual, centers on the next steps for exploitation. #ios #vulnerability #apple Redis 8.6: Remote Code Execution via Stream PEL Use After Free: https://zerotistic.blog/posts/redis-stream-pel-uaf/ #linux #vulnerability #exploitation #informationsecurity #infosec #cybersecurity Malwoverview 8.0.5 (Revolutions): https://github.com/alexandreborges/malwoverview #cybersecurity #malware #threathunting #informationsecurity #dfir Dissecting and Exploiting Linux LPE Variant: DirtyClone (CVE-2026-43503): https://research.jfrog.com/post/dissecting-and-exploiting-linux-lpe-variant-dirtyclone-cve-2026-43503/ #cve #linux #cybersecurity #informationsecurity #exploitation #vulnerability BitLocker downgrade attacks: https://archives.pass-the-salt.org/Pass%20the%20SALT/2026/slides/PTS2026-TALK-13-bitlocker_talk_deck.pdf #windows #bitlocker #infosec #informationsecurity #cybersecurity #crypto A Windows Kernel in a Browser Tab, Part I: Cold Boot, Fast Boot, and Four Megabytes: https://www.msuiche.com/posts/nanokrnl-cold-boot-fast-boot/ #kernel #infosec #programming #rust #windows #hacking

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

Stella Quasten Stella Quasten 17% McChessers McChessers 16% Steve Moore :toad: Steve Moore :toad: 13% Paul Everitt Paul Everitt 12% Ukrainian Artists Ukrainian Artists 12% MachDeinenStrom.de MachDeinenStrom.de 12%

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