Tag Archives: Carnegie Mellon University (CMU) Security Engineering Institute (SEI)

Unintentional Insider Threat (UIT)

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An unintentional insider threat is (1) a current or former employee, contractor, or business partner (2) who has or had authorized access to an organization’s network system, or data and who, (3) through action or inaction without malicious intent, (4) unwittingly causes harm or substantially increases the probability of future serious harm to the confidentiality, integrity, or availability.

–Unintentional Insider Threat and Social Engineering, Insider Threat Blog, Carnegie Mellon University (CMU) Security Engineering Institute (SEI), by David Mundie, 03/31/2014

Phishing: Establishing an Effective Defense

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Quote 1:

…it’s unrealistic to expect every single user to avoid falling victim to the attack. User education may not be an effective preventative measure against this kind of phishing. Education can, however, be effective for encouraging users to report phishing emails. A well-designed incident response plan can help mitigate the impact of attacks.

Quote 2:

  • Defense 1 – Filter emails at the gateway. The first step stops as many malicious emails as possible from reaching users’ inboxes….

  • Defense 2 – Implement host-based controls. Host-based controls can stop phishing payloads that make it to the end user from running. Basic host-based controls include using antivirus and host-based firewalls…

  • Defense 3 – Implement outbound filtering. Outbound filtering is one of the most significant steps you can take to defend your organization’s network. With proper outbound filtering, attacks that circumvent all other controls can still be stopped…

–Defending Against Phishing, Insider Threat Blog, Carnegie Mellon University (CMU) Security Engineering Institute (SEI), by Michael J. Albrethsen, 12/16/2016