I Know What You Did Last...

RansomwareI Know What You Did Last Summer

Stan Banash Jr. CISM, CISSP, C|CISO, CIPP

Chief Information Security Officer (CISO)

Children’s Hospital of Orange County

January 25, 2018

Are You Ready?

Threat Landscape

• Hackers• Cyber Crime Syndicates

• Malware Mercenaries

• Insiders• Clinical Staff

• Physicians

• Administrative/Support Staff

Attack Vectors

• External• Social Engineering

• Phishing

• Impersonation

• Vulnerable Systems

• Internal• Web Browsing

• Downloads

• External Media

Mitigation: Threat Intel

• Infragard

• US-CERT

• National Health • Information Sharing Analysis Center (NH-ISAC)

• Anti-Malware/ Security Vendors

Mitigation: Know Your Attack Surface

• Cloud Services

• Data Centers

• Mobile Devices / BYOD

• Vendors

• Internet of Things (IoT) / BioMed

• Users

Mitigation: Security Posture

• Understand Normal

• Security Operations Center (SOC)

• Develop a World View

• Career Development / Training

Mitigation: Vulnerability Management

• Vulnerability Management Program• Routine Scans• Risk Assessment• Segregation

• Patch Management Program• Applicability• Understand Risk• Metrics

• Time to remediate• Remediation Percentage

Incident Response

• Build a Plan – NIST SP800-61

• Prepare Your Environment

• Train Your Team

• Stage Tabletop Exercises

• Live Fire – Red/Blue, Purple