Guidelines on Security and Privacy for Personal Computers:

• Please backup more than one copy of important personal documents and files periodically and diligently
• Keep all software (i.e., Windows、Office、Flash、Adobe etc.) updated with security patches at all times
• Set complex passwords that are hard to guess, and change them regularly
• Install software from authentic sources and do not install or download any apps from unknown sources
• Install anti-virus software and update the virus signature promptly, and execute the virus scan periodically
• Keep the firewall system on and scan at all times
• Before clicking on links or attachments sent via instant messages or emails, be sure to double-check with the senders to verify their authenticity
• Before entering or signing on to any web sites, please make sure the web address is correct, to avoid phishing scams
• Do not click any ads, pages, or web sites that look suspicious or questionable
• After you download any files or documents, be sure to scan for malware first
• The proper way of using USB is to run security scans first, then open it from File Explorer and close the AUTORUN function etc.
• Scan your computer system to see if has been infected by viruses, backdoor programs, or Trojans
• Is the computer system running normally?
• System seems to run unusually slow
• Why is CPU usage ratio so high (over 95%)?
• Messages of insufficient memory storage appear very often
• Unfamiliar screens pop out while PC is running or networking
• Unable to execute certain icons or functions
• Are there any suspicious files appearing in the computer system?
• Cannot show the hidden file
• System’s Task Manager is executing unknown applications or apps
• Your computer automatically sends out ad letters or messages
• Clicking the Start button will also execute unknown software
• Unknown service is activated or system service is disabled.
• Firewall was overridden to open an unknown port or firewall fails to scan
• Anti-malware software is constantly sending alert messages about catching/stopping viruses
• Malware protection system shuts down automatically or is unable to activate
• Unable to update virus signature
• Is Internet connection working properly?
• Unable to access the Internet (System is not connected)
• Internet connection is normal but cannot browse websites
• Networking traffic is too slow
• Whether there is a lot of upload and download traffic on the unused network.
• Is there any unusual web connection?
• Unable to connect to malware protection websites or Windows Update website
• Trying to link to a web page but was hijacked to an incorrect website
• The web page is redirected to an incorrect site