leo cyber security · 2017-11-17 · 1 tour of the darknet leo cyber security heath c renfrow,...

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TOUR OF THE DARKNET

LEO CYBER SECURITY

Heath C Renfrow, CISO, LEO Cyber Security

+1.210.551.1340

heath.renfrow@leocybersecurity.com

www.leocybersecurity.com

@LEOCyberSec

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Agenda

Darknet basics

What does it cost to get your stuff?

Dangers of Public WiFi

What’s your stuff worth?

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The Digital World

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Our Disclaimer Slide

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•Valuation of company assets•Monitoring of threat vectors•Identifying new targets•Understanding trends•Identifying breaches

Why Do We Care?

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•Conventional browsing runs through a number of commercial entities that can monitor activity.•Marketing•Law enforcement•Throttling

How is the Darknet Different?

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• Connecting to the Tor network

• How is data hid from the ISP?

How Does the Darknet Work?

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•A “candy” store of various goods

•The E-Bay of Darknet•Reviews•Ranking•Customer support•Gurantees

What is a Marketplace?

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•Credit cards•Online•Encoded on plastic

•Credentials•Social Security Numbers•Protected Health Information•Credit information•Social engineering information•Social media account

•Trojans•Key logger•Malicious spam•DDOS•Malware installation•WiFi cracker

ValuationValue of your stuff? Price to get your stuff?

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What’s it Worth?

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Credit Cards

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Email/Social Media

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ID or Company Badge

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Social Security Numbers

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Medical Records

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Tax Records

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Full/Partial Databases

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Cost to Attack

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ATM Malware

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Ransomware

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Dangers of Public WiFi

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First, the Scary

•Unsecured - No cracking•WEP - < 5 minutes•WPA - < 15 minutes•WPS - < 24 hours Reaver•WPA2 - Depends on length •KRACK - newest discovered vulnerability in WPA2•wpacracker.com•WiFi Pineapple•Rouge AP or EvilTwin Attack•Traffic Eavesdropping•Interception Manipulation

• Captive Portal Phishing for Company Computer Hostnames or Credentials

• Data Leakage over Insecure Protocols

• Leaking Shared Files and Folders on a Public Network

• Client Side attacks can lead to corporate network compromises

• Bluetooth and Ethernet Pivots• Bridging Air Gaps

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•[FIPS 140-2]•DoD Directive 8500.0•NIST Standards•Wireless Supplicants•EAP-TLS•VPN for WiFi•No Perfect Forward Secrecy•WIDS/WIPS•Wireless Traffic Monitoring

Second, the RealismRisk Mitigations Strategies

• Asset inventory

• Change default ID and password

• Two Factor Authentication (2FA) when possible, if not a strong password

•15 characters minimum;•At least two number, two letter, and two capital letter; and•If allowed, at least two punctuation character.

• Practice a regular timely patch schedule and/or enable automatic updates

• Disable unnecessary remote administration and features (MANAGE).

• Do not allow unfiltered access to the device from the Internet.

• Do not enable universal plug and play on IoT devices.

• Use secure protocols where possible, like HTTPS and SSH for device communications.

• Include IoT devices in regular vulnerability management programs

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Thank You

Questions?

www.leocybersecurity.com LEO Cyber Security

2000 McKinney Avenue, Suite 2125,

Dallas, TX 75201

+1.469.844.3608

www.leocybersecurity.com

Heath Renfow, CISO

LEO Cyber Security

+1 210 551 1340

heath.renfrow@leocybersecurity.com