Security From The Top Down And Bottom Up paid ExtraHop
This crossing of the streams isn’t necessarily a bad thing, considering that what IT considers “the environment” is what SecOps calls “the attack surface,” but for new CISOs without a well-established structure in place, there is a lot of room for error.
As a defender, your surface area is huge. Attackers will come at you with the goal of chaining together small vulnerabilities in order to achieve an otherwise impossible exploit, and you need to think of your assets the same way. It’s not enough to list which assets exist in your environment—you also need to understand how they interact with one another, and who has access to what.
If you’re like me and you’re coming from a software development or IT background, your first instinct when under attack might be to find a technological solution. A well-executed technical response is important, but you’ll quickly learn that a CISO’s key assets include partnerships with, say, the Public Relations team—because in the event of an emergency, fast but effective communication is just as critical as the backend response.
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