黑客攻防必杀技！2004版，不算太过时。包含密码攻防，病毒攻防，*攻防，浏览安全攻防，系统漏洞攻防，黑客软件攻防等等。好像没有这个资料上传，因而吐血贡献。-Hackers attack and defense! 2004 version, not too old. It contains the password attack and defense, viruses attack and defense, Trojans attack and defense, browsing security attack and defense, system bug and hole attack and defense, hacker software attack and defense, and so on.