An overview on information security
If you have a public IP, you and your company may be the next victim of the cybercrime business. 75 percent of Internet traffic is malicious (https://wiki.cac.washington.edu/download/attachments/7479159/White_Paper_6-Feb26-round2-AS-BE+DRAFT.doc) and the cybercrime business value equals 105 USD billion, which surpasses the value of the illegal drug trade worldwide. In addition, most of the cybercrime attacks are determined, not just opportunistic, and they include the theft of IDs, trade secrets, research and development, and so on. So, you must be ready.
The CIA triad
Your role as a security administrator is to protect the information and information systems from unauthorized access, use, disclosure, disruption, ...
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