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ALE=ARO*SLE
Annualized Loss Expectancy = Annualized Rate of Occurence (% in a year - eg if it dies every 4 years then this value is .25) * Single Loss Expectancy (cost of replacement) - this one's pretty simple - don't make it complicated
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BCP, DRP, BIA, MTD
Business Continuity Plan, Disaster Recovery Plan, Business Impact Analysis, Maximum Tolerable Downtime
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AES
symmetric, bulk data encryption
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DES
symmetric, 56 bit. used for LM
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3DES
symmetric, 3 passes of DES, 128 bit
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RC4
stream cipher - voice and video CC's, symmetric, used by ssl and tls for web encryption
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Blackboard
KB or DB of information to contribute to solving a problem. Bayesian, AI
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MD5
symmetric - used by NTLM, 128 bit hash, 32 character output
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Risk = Threat * Vulnerability
- Threat - frequency or rate of potential negative event
- Vuln - likelihood a threat will be successful (often a %)
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SHA1
Symmetric, 160 bit hash value, 40 characters
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XOR
- Both same = 0
- Either Different = 1
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subnet address
also known as network address, not to be confused with broadcast address
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