Be a Smart Internet User

Take care of your office PC and home PC

  • Use a strong password for your PC Windows log-on, e.g. over 8 characters long mixed with alphabets, numbers and special characters. [ Show me ]
  • Change your passwords regularly.
  • Set Windows Update to "Automatic". [ Show me ]
  • Turn on Windows Firewall. [ Show me ]
  • Install anti-virus and anti-spyware software and turn on automatic update. [ Show me ]
  • Turn on System Restore and create manual restore points regularly. [ Show me ]

Notes on using Wireless Router at home

  • Change the default administration password.
  • Change the default SSID/ESSID name.
  • Use wired connection whenever possible.
  • Configure your router to allow only your home PCs to connect to it (by adding hardware addresses of your PCs' wireless LAN card to the exceptional/allowed list).
  • Configure the router to use WPA/WPA2 encryption with a strong password.
  • Do not send sensitive information (such as buying online, using e-banking, and etc) with wireless connection if WPA/WPA2 encryption is not enabled.

Use E-mail with care

  • Do not open attachments from unknown user/source or with extension .bat, .chm, .cmd, .com, .exe, .hta, .ocx, .pif, .scr, .shs, .vbe, .vbs, or .wsf.
  • Do not respond to spam, even to "unsubscribe". [ See example ]
  • Do not click on the links embedded in an email, especially to the websites related to sensitive information, such as e-banking, eBay, PayPal, etc.
  • Do not respond to emails asking for updating accounts' information, such as password.
  • Do not send sensitive information through Email without proper encryption.
  • Do not send Email that would violate the Law or with undesirable contents – infringing, harassing, irritating etc.
  • Turn on junk mail filter of the university (or of the service providers if you are using external email services) to filter off possible ill-intent Email.
  • Report to the university if you suspect a Email that has violated the University IT policy or will cause damage to the University.
  • Report to the police if you received a Email that might have violated the Law.
  • Look out for Email targeted to cheat recipients through social engineering techniques.

Use Web with care

  • Use unique user ID and password for e-banking and secure services alike, i.e. never use e-banking user ID and password for any webmail and news group account, or vice versa. [ More on password ]
  • Verify a web site by its digital certificate. [ Show me ]
  • Enter sensitive information only on secure pages (https).[ See example ]
  • Do not download and/or run applications from unknown source.
  • Do not respond to advertisements on websites. [ See example ]
  • Turn on Pop-up Blocker and set security to Medium High in the browser settings. [ Show me ]
  • Ensure your browser has got the latest security patch.
  • Look out for phishing web sites.[ More ]
  • Don't provide sensitive information to unfamiliar social sites. Don't share and protect your personal information supplied in a social site.

Notes on using Public PCs e.g. in i-cafe, airport and station

  • Reboot/restart a Public PC both before and after use.
  • Don't send sensitive information, such as provide credit card number to buy online, using e-banking, etc.
  • Remember to logoff properly if you have login webmail, portal etc.
  • Clear all browsing history (including temporary files, cookies, and web form information) before you leave. [ More]
csc@cityu.edu.hk