Common Security Threats
Virus infection is most likely event
Intrusion
- By internal employees and external hackers
- High cost to recover in terms of financials and publicity
Device failure (not necessarily by a malicious act)
Device theft, Natural Disaster
Denial of Service attacks
- External attacks blocking access to the network
Big picture messages:
- Viruses: most common threat with a fairly high cost
- External intrusion is now greater threat than own employees
Costs may be $150,000 per virus that infects an average number of computers
External intrusion may cost an average of $150,000 per incident
Internal intrusion happens about as frequently as external intrusion, external is rising
Natural disasters happen to about 20 percent of organizations each year
Denial of Service attacks could cost Amazon.com $10 million per hour, organizations typically lose $100,000 to $200,000 per hour
Cost of lost work for a single LAN may be $1000 to $5000 per hour