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Cybersecurity-Insiders
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How to identify hackers sitting in a computer network
- Cybersecurity threats like advanced persistent threats (APTs) involve hackers gaining access to a computer network and remaining undetected.
- To identify hackers in a network, monitor unusual network traffic for spikes, odd activity times, and communication with unknown IPs.
- Look for abnormal user behavior like logins at odd times, accessing restricted files, or multiple failed login attempts.
- Check for new or unauthorized accounts, administrative changes, and increased privileged account activity.
- Examine unexpected software installations, like backdoors or RATs, through unknown processes or file changes.
- Watch for system slowdowns, high resource usage, or disk activity indicating malicious activities.
- Investigate disabled security alerts, altered logs, or configuration files as signs of tampering by hackers.
- Perform vulnerability scanning to identify outdated software, unpatched flaws, or misconfigured systems.
- Utilize threat intelligence feeds and collaborate with industry peers to stay ahead of cyber threats and hacker tactics.
- Vigilant monitoring, audits, and proactive security measures are crucial in detecting hackers within a network and preventing significant damage.
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