Exercise : Stopping Rogue Insiders
Situation
Stopping a rogue insider (an employee, contractor, or compromised
account actively misusing internal access) requires:
- immediate technical containment
- legal review - access revocation
Immediate Technical Steps
Revoke credentials and access:
Immediately disable Active Directory accounts, SSO tokens, VPN
certificates, and API keys.
Isolate devices:
Disconnect affected laptops or workstations from the corporate
network without shutting them down completely, allowing forensics
teams to capture live memory and logs.
Enforce Zero Trust and PAM:
Use Privileged Access Management (PAM) and session-termination
tools (such as network-level controls like SSHepherd) to cut off
unauthorized lateral movement.
Deploy deception tech:
Utilize:
- honeytokens - canary traps to detect and divert malicious actions early.
"...deploy realistic decoy credentials across your internal and external infrastructure. When attackers find and use them, you'll know immediately."
source: tracebit.com
Governance and Legal Action
Engage legal counsel:
Involve in-house or external legal advisors immediately to protect
findings under attorney-client privilege and prepare for potential
data recovery or police reporting.
Preserve evidence:
Freeze audit logs, SIEM data, email archives, and CCTV footage
before initiating formal disciplinary or termination procedures.
Assess regulatory reporting:
Determine if the breach requires notification to data protection
authorities (such as the ICO in the UK) or affected customers
under applicable data laws.
Dealing with an active incident:
• What type of system or data is being accessed
• Is the person still actively logged in or network-connected
Outline the next steps for :
- containment
- escalation
...
...yes...
...and...
..with that...
..we'd be in...
...
...we'd... ...
...
...be...!...
...
...owhh...
...ahhhh...
...mmmmn...
...
...
...
- is "computer misuse act" violation type... ...or equivalent...
...misuse / abuse...
...of any equipment...
....or supply line..
...
...mmmmn...
...hmmm...!...
...
...need that log...
...include [ with compromises to ] newsgroup [ passwords ]...
...and mobile...
...mmm...
...and handing [ a ] login to [ a ] rival network...
...for their use...
...yes...
...
...yeah...
...
...helo...!...
...
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