Update 'Cheatsheets.md'

Cheatsheets.md

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-Tes
+#Cheat sheet
+
+## Security incident survey cheat sheet for server administrators
+- Link: https://zero.bs/dontpanic/security-incident-survey-cheat-sheet.pdf
+
+## Network DDOS incident response cheat sheet
+
+- Link: https://zero.bs/dontpanic/ddos-incident-cheat-sheet.pdf
+
+## Linux intrusion detection cheat sheet
+
+- Link: https://zero.bs/dontpanic/linsacheatsheet.pdf
+
+## Unix/Linux systems signs of compromise
+
+- Link: https://zero.bs/dontpanic/checking_unix_for_compromises.pdf
+
+## Critical log review checklist for security incidents
+
+- Link: https://zero.bs/dontpanic/security-incident-log-review-checklist.pdf
+
+## Windows intruder detection checklist
+- Link: https://zero.bs/dontpanic/widc.pdf
+
+## Windows intrusion discovery cheat sheet
+
+- Link: https://zero.bs/dontpanic/winsacheatsheet.pdf
+
+## Check Microsoft Windows signs of compromise cheat sheet
+
+- Link: https://zero.bs/dontpanic/win_intrusion.pdf