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Web Security – Relevance @Cisco

Cisco Web Traffic Stats: Malware Blocked in One Day:

• 441K – Trojan Horse
• HTTP is 25% of traffic + SSL 6%
• 61K - Other Malware
• 12.5 TB in/out per day
• 29K - Encrypted Files (monitored)
• 330-360M web visits/day
• 16.4K - Adware Messages
• 6-7M (2%) blocked
• 1K – Trojan Downloaders

WSA Blocked Transactions: • 55 - Phishing URLs
• 22 - Commercial System Monitors
• 6.5M+ Malware sites blocked/day
• 5 - Worms
• 93.5% - Web Reputation
• 3 - Dialers
• 4.5% - URL Category

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