AhnLab V3 Internet Security review
A Windows-only security suite with broad network and threat-protection controls.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
AhnLab V3 Internet Security is a paid Windows antivirus and internet security product designed for businesses and Windows users that need protection beyond malware scanning. Its coverage includes real-time malware and security-threat detection, virus and spyware scans, network intrusion prevention, a personal firewall, network access control, anti-phishing protection, malicious website filtering, email attachment scanning, spam filtering, application control, cloud-based multidimensional protection, and ransomware prevention with security folders. It can run as a standalone installation or connect with AhnLab EPP, AhnLab CPP, and AhnLab EPM for centralized monitoring and policy configuration.
Pricing is offered through monthly and annual subscriptions. According to the vendor's Korean store, the annual plan lists a per-user price of 68,800 KRW for 1–4 users, excluding VAT; the same store shows a one-year checkout price of 75,680 KRW for one user. The product page states that purchases are available for 1–99 users. The annual option therefore suits organizations planning a defined subscription term, while the monthly option provides a shorter billing choice. Buyers should account for VAT when comparing the published annual amount.
The main strength is breadth within Windows internet security: V3 combines endpoint scanning, web filtering, network controls, email inspection, application control, cloud protection, and ransomware safeguards in one product. The AhnLab platform integrations also make it a better fit for organizations already managing AhnLab security products. However, Windows-only support rules out mixed-device environments, and the enterprise-oriented controls may be unnecessary for users seeking a lightweight antivirus. Choose V3 Internet Security when network protection and ransomware controls matter on Windows endpoints; consider another product for macOS, mobile, or broader cross-platform coverage.
AhnLab V3 Internet Security pros and cons
- Where it wins
- Combines real-time scanning, firewall, and intrusion prevention
- Adds anti-phishing, email attachment scanning, and website filtering
- Includes ransomware prevention, security folders, and application control
- Where it doesn't
- Supports Windows only
- Annual pricing excludes VAT
- Enterprise integrations may be more than individuals need
AhnLab V3 Internet Security fact sheet, pricing and score →
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