Every query a device makes is a statement of intent — what it wanted to reach, when, and how often — and once you're logging them, you're no longer just blocking bad names. You're watching behavior....
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This is your chance to get my book, Cybersecurity Architect's Handbook, at a reduced price. They only do this at certain times of the year...
System updates are a crucial aspect of maintaining secure IT infrastructure. While they often bring improvements, they can also introduce changes that require adaptation. A recent example of this is the upgrade to OPNsense 24.7, which altered the format of filter and Suricata logs.