The dual firewall approach
Hackers have exhausted the protocol level attacks that firewalls traditionally were designed to protect against, and have moved their focus to the application layer.
With up to 70 new vulnerabilities being reported weekly in applications and operating systems, combined with the lack of protection afforded by current installed solutions, the application layer attack is clearly the entry point of choice for external hackers to break into your internet-connected network.
By Paul Henry at IT Week.
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