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todayApril 7, 2020

Cyber security + Whitepapers pMLrwRHGEC

WHY IS THE HEALTHCARE SYSTEM SO BAD AT CYBERSECURITY?

Imagine a doctor completely unaware of what they’re walking into triaging two patients: one in need of a hospital cardiac catheterization lab after an irregular electrocardiogram (EKG) reading, the other suffering from a stroke and needing a CT scan. All systems are down due to ransomware, so the physician working [...]


Threat Hunting

Background
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Cyber threat hunting digs deep to find malicious actors in your environment that have slipped past your initial endpoint security defenses.

After sneaking in, an attacker can stealthily remain in a network for months as they quietly collect data, look for confidential material, or obtain login credentials that will allow them to move laterally across the environment.

Once an adversary is successful in evading detection and an attack has penetrated an organization’s defenses, many organizations lack the advanced detection capabilities needed to stop the advanced persistent threats from remaining in the network. That’s why threat hunting is an essential component of any defense strategy.

 

GLOBAL CYBER VISION’S THREAT HUNTERS ASSUME THAT ADVERSARIES ARE ALREADY IN YOUR SYSTEM.

 

This initiation of investigation typically falls into three main categories:

  1. Hypothesis-driven investigation

Hypothesis-driven investigations are often triggered by a new threat that’s been identified through a large pool of crowdsourced attack data, giving insights into attackers’ latest tactics, techniques, and procedures (TTP).

  1. Investigation based on known Indicators of Compromise or Indicators of Attack

This approach to threat hunting involves leveraging tactical threat intelligence to catalog  known IOCs and IOAs associated with new threats.

  1. Advanced analytics and machine learning investigations

The third approach combines powerful data analysis and machine learning to sift through a massive amount of information in order to detect irregularities that may suggest potential malicious activity.

All three approaches are a human-powered effort that combines threat intelligence resources with advanced security technology to proactively protect an organization’s systems and information.