Securing Organizational Credentials:New and Pervasive Cyber-Threats

PRESENTER NAME: Kim MilfordExecutive Director, REN-ISAC

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THREATS

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Ransomware

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Business Email Compromise

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REN-ISAC CSIRT Notifications, 12/31/2018

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Dorkbot, 2015

Nivdort, 2016

Pushdo, 2007

Fleercivet, 2014

Kelihos, 2010

ZeroAccess, 2013

Ponmocup, 2006

Gozi, 2013

Bedep, 2015

Conficker, 2008

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CSIRT STATISTICS, 2018 COMPARED TO 2016

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STOLEN CREDENTIALS

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Stolen Credentials Used for Exfiltration

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IMPACT

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Password Dump Cleanup

Parse out old domain names

Run the list through a macro to see if the password composition meets

current (enforced) password policy.

Feed surviving credentials into a script that checks against current authoritative

credential store.

Reset passwords on at-risk/exploited credentials and notify users

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• Underreported• If reported at all, generally a long delay• Risk is uncertain, depends on circumstances

– Requires additional analysis

Stolen Credentials

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MITIGATION

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Training and Education

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Two Factor Authentication

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Modlishka

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MITM Mitigation

• User education• U2F tokens• Password managers• Limit exposure, e.g, short timeouts for tokens• Phishing page detection, e.g. Chrome extension• Site authentication to the user• Reduce the life of user accounts

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Student Lifecycle

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Application Admission Enrollment

Student Accounts Granted

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Student Lifecycle

- Account disabled after 2 consecutive semesters of non-enrollment- Account disabled 6 months after last enrolled semester, OnTrack account

disabled 1 year after last enrolled semester - Deactivated one term after student was last eligible to register, deleted

one term after that - Access retained for "things like unofficial transcripts and academic and

employment information"; email deactivated after no attendance for a year

- Access retained for "things like unofficial transcripts and academic and employment information"; email deactivated after no attendance for a year

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References• 2018 Verizon Data Breach Investigations Report

– https://enterprise.verizon.com/resources/reports/dbir/

• 2015 DHS Intelligence Assessment on Research and Education (R&E)– https://intellihub.com/wp-content/uploads/2015/02/DHS-UniversityCyberThreats.pdf

• March 2019: Wall Street Journal “Chinese Hackers Target Universities in Pursuit of Maritime Military Secrets”

• FireEye Threat Report: APT40 Examining a China-Nexus Espionage Actor– https://www.fireeye.com/blog/threat-research/2019/03/apt40-examining-a-china-nexus-

espionage-actor.html

• https://haveibeenpwned.com/

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