1. Firewall rules review
Default 'deny all inbound' hona chahiye, sirf zaroori ports (80, 443, VPN) khule. 'Any-Any allow' rule immediate delete.
2. Port scan (Nmap)
External + internal Nmap scan. Unused ports (23, 135, 445) block karo — RDP kabhi bhi internet-exposed nahi rakho.
3. Router firmware update
Har 3 mahine me firmware check. 60%+ hacked routers outdated firmware pe hote hain.
4. Default passwords change
Router, switch, camera, printer — sab ke defaults change karo. 12+ char, symbols, unique per device.
5. WPA3 Wi-Fi encryption
WPA2 crackable ho gaya hai. WPA3 mandatory 2026 me. Guest network alag SSID.
6. VPN for remote access
RDP ya file share direct internet par mat expose karo — always via VPN (WireGuard, OpenVPN).
7. Endpoint protection
Har PC par business antivirus (Bitdefender, ESET, CrowdStrike). Free consumer AV business ke liye insufficient.
8. Patch management
Windows Update, Office, browsers — auto-update on. Unpatched systems 60% breaches ka reason.
9. Backup — 3-2-1 rule
3 copies, 2 media, 1 offsite. Ransomware attack me sirf offsite backup aapko bachata hai.
10. Access logs review
Failed login attempts, unusual traffic — SIEM/router logs weekly check. Anomaly = alert.
11. Employee training
80% breaches phishing email se hote hain. Quarterly awareness training zaroori.
12. Incident response plan
Written plan — hack hone par kaun kya karega. Rehearsal saal me ek baar.
Full audit khud karna 3-4 din ka kaam hai. Hamari Network Security Audit service (17) — professional delivery, fixed price aur post-delivery support. Live demo dekho ya quote lo.
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