Trend Micro PC-Cillin

Overview

Trend Micro PC-cillin was an antivirus and internet security program developed by Trend Micro. First introduced in the 1990s, it provided protection against viruses, spyware, phishing attacks, and other cyber threats.

Over time, PC-cillin evolved into a full-fledged security suite, eventually being replaced by Trend Micro Internet Security and Trend Micro Maximum Security, offering enhanced protection against modern threats such as ransomware and identity theft.

Features

Real-time protection against viruses, spyware, and phishing attacks.
Automatic virus definition updates for new threat detection.
Email and web protection to block malicious links.
Firewall and network security tools (in later versions).
Parental controls and privacy protection.
System optimization tools (in newer Trend Micro security products).

Compatibility

PC-cillin was compatible with:

Windows 98, Windows 2000, Windows XP, Windows Vista, Windows 7
macOS (later versions supported via Trend Micro Security)
Android & iOS (now covered by Trend Micro Mobile Security)

Since PC-cillin has been discontinued, Trend Micro now offers security suites such as Trend Micro Internet Security, Maximum Security, and Premium Security.

Usage

Download and install PC-cillin (when available).
Activate the software with a valid subscription.
Perform an initial full-system scan for malware threats.
Enable real-time protection for continuous security.
Regularly update virus definitions and perform scheduled scans.

Pros & Cons

Pros

✔ Effective antivirus protection with real-time scanning.
✔ Frequent updates to detect emerging threats.
✔ Integrated internet security features in later versions.

Cons

✘ Discontinued as a standalone product.
✘ Required a subscription for full functionality.
✘ Later versions were resource-intensive on older systems.

Alternative Software

Norton AntiVirus – A well-known competitor with strong malware protection.
McAfee Total Protection – Comprehensive security suite with identity protection.
Bitdefender Antivirus Plus – Lightweight and effective antivirus software.

Developer

Company: Trend Micro
Status: Discontinued (Integrated into Trend Micro Internet Security & Maximum Security)