An toan khi Vao Ra Internet ?

An toan khi Vao Ra Internet: vai dieu quan trong can biet ?
- Khong mo nhung mail "nghi ngo " co the co virus
- Khong vao nhung website khong bao dam, nguoi ta co the lay dia chi IP cua may PC ban dang xai
- Khong "text/chat" (va goi/nhan file) voi nhung nguoi la. ma ban khong biet ro ho la ai, quan diem the nao
- Nen xai vuot tuong lua (firewall) hoac Proxy khi di vao Internet : Psiphon, HideIP, ...
- Truoc khi ra Internet (Internet Explorer, Yahoo Messenger, ...), roi may tinh PC, ban phai xoa TAT CA nhung vet tich (history, ...) ma ban da di qua:
a/ co du tru san trong Internet Explorer (Tools, ...), trong Yahoo Messenger (preference, ...)
b/ co nhung chuong trinh (software) lam chuyen nay : web eraser, CCleaner, ...
( vao http://www.google.com/ tim de download, install, dung; )

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