Azmir Ahmed

Senior System Administrator | Cybersecurity Specialist
10+ years securing IT infrastructure across FinTech & Banking
Freelance Security Consultant

[Azmir Ahmed @Im_Azmir]

🚨 OpenAI Security Breach!

⚠️ macOS users — June 12 এর আগেই ChatGPT Desktop, Codex App আপডেট করুন!

🔗 https://t.co/TMmMTA08Xa

#CyberSecurity #OpenAI #InfoSec

[Azmir Ahmed @Im_Azmir]

Apple spent 5 years and billions building Memory Integrity Enforcement for the M5 chip.

It was bypassed in 5 days. 🔓
#InfoSec #CyberSecurity #ExploitDevelopment

[Azmir Ahmed @Im_Azmir]

🔗 Follow me on LinkedIn for more tips & resources → https://t.co/dpM6BwBmxR

[Azmir Ahmed @Im_Azmir]

🖥️ Every Linux SysAdmin needs to know this tool: screen

If you've ever lost a long-running process because your SSH session dropped — this is for you.

#Linux #SysAdmin #Terminal #DevOps #SSH #LinuxTips #CloudComputing #ITCareer #Networking

[Azmir Ahmed @Im_Azmir]

Security Alert — BitLocker Downgrade Attack (CVE-2025-48804)

The PoC is publicly available on GitHub. Audit your BitLocker configurations now.

[Azmir Ahmed @Im_Azmir]

🦁 I switched from Chrome to Brave — here's why you should too.

Chrome owns 67% of the browser market. But being popular doesn't mean being good for you.
#Privacy #CyberSecurity #DigitalPrivacy #TechLover

[Azmir Ahmed @Im_Azmir]

What a fantastic day at bdNOG 21! 🚀

📍 Le Méridien Dhaka | 2026

A great get-together with brilliant minds from Networking, CyberSecurity & AI — trainers, APNIC reps, and international speakers all under one roof. The conversations were next level. 🤖🔐

[Azmir Ahmed @Im_Azmir]

Web Application Penetration Testing — Why It Matters

Every day, attackers are scanning your web applications for vulnerabilities. The question isn't if they'll find one — it's whether you find it first.

Security isn't a one-time checkbox. It's a continuous process.
#WebSecurity

[Azmir Ahmed @Im_Azmir]

🔐 5 things I wish someone had told me before starting a career in cybersecurity
#CyberSecurity #EthicalHacking #PenetrationTesting #CareerTips #Bangladesh

[Azmir Ahmed @Im_Azmir]

🐧 Just dropped my Linux Administration guide — covering commands, permissions, SSH, Bash scripting & more.

Free to grab. DM me or drop a comment 👇
https://t.co/fgIVheSZzt

#Linux #SysAdmin #CyberSecurity #DevOps

[Azmir Ahmed @Im_Azmir]

https://t.co/ZQ02qJ4Omf

[Azmir Ahmed @Im_Azmir]

২০২৬ সালের শুরুতেই বিশ্বব্যাপী প্রযুক্তি খাতে এক নজিরবিহীন অস্থিরতা দেখা যাচ্ছে।

More in comments:

[Azmir Ahmed @Im_Azmir]

🔕 Tired of BLUESTORE_SLOW_OP_ALERT spamming your Ceph cluster?
Mute it for a week with one command: ceph health mute BLUESTORE_SLOW_OP_ALERT 1w

The TTL auto-expires — so you won't forget you muted it. Don't use this as a permanent fix.
#CephStorage #OpenSource

[Azmir Ahmed @Im_Azmir]

🔐 SOC Analyst in Action
Every alert tells a story. Every log hides a clue.

#CyberSecurity #SOCAnalyst #ThreatDetection #BlueTeam #IncidentResponse #InfoSec #SecurityOperations #SIEM #ThreatHunting #CyberDefense

[Azmir Ahmed @Im_Azmir]

What makes employees truly happy at work?

Data says:
⚖️ Work-life balance — 69%
🏠 Remote flexibility — 69%
🎯 Purpose at work — 68%

Flexibility + meaning outrank perks every time.

Leaders who get this build teams that stay. 💪

#FutureOfWork #Leadership #EmployeeExperience

[Azmir Ahmed @Im_Azmir]

The best investment I ever made?
Not crypto. Not stocks.

Myself. 💪

Skills > Assets
Knowledge > Money
Mindset > Everything

Invest in YOU first. The returns are infinite.

🔁 Write a comment if you agree with me.
#SelfGrowth #Motivation @Im_Azmir

[Azmir Ahmed @Im_Azmir]

Free WiFi at the café or airport? ☕📶
A hacker sitting 10 feet away can:
👁️ See everything you browse
🔓 Steal your login credentials
💳 Intercept banking details

Rules of public WiFi:
✅ Always use a VPN
✅ Never access banking
✅ Use HTTPS sites only.
Stay safe. 🛡️

[Azmir Ahmed @Im_Azmir]

Your password got leaked. 😬
Without 2FA? You're done.
With 2FA? Hacker gets nothing. ✅

2FA blocks 99.9% of automated attacks.
Turn it on. Right now. For:
🔐 Email
🔐 Bank
🔐 Social media
🔐 Everything
Use an app like Google Authenticator or Aegis — not SMS. 🛡️

[Azmir Ahmed @Im_Azmir]

Built a Python script to auto-backup Cisco IOS switches daily using.
✅ SSH into multiple switches
✅ Save timestamped running-configs
✅ Email report (success / partial / full fail)
✅ Auto-delete backups older than 30 days
Set it, cron it, forget it.
#Python #NetDevOps

[Azmir Ahmed @Im_Azmir]

🚨 Starbucks DATA BREACH confirmed!

SSNs, bank details & personal info of employees exposed via phishing.

📅 Feb 6, 2026
🎯 Fake login pages used to steal credentials

Freeze your credit if you're affected.

#DataBreach #CyberSecurity