Blockchain & Security
Jorge Sebastiao
CTO Advisor
I am your Seatbelt
You Seatbelt
Cyber attacks
Countermeasures
You will need more than a seat belt
Trust
$2 Billion Hacked 2018
Over $2 Billion in Litigation
3000 Bitcoin Miners Exposed
1. SSH
2. Telenet
3. Default Passwords
Crypto-Jacking everywhere
1. Browser
2. Plants
3. Super Computers
4. Cars
5. Mobiles
6. Malware
$150M Raised DAO Attack $60M
Bug in Parity Multi-Sig Wallet
Frozen
$400M
Ethereum
Hackers are looking for your Coins
Intense Scan
• Coins
• Wallets
• Miners
$190 Million Lost
Bitcoins Lost Forever
Zaif Japan Bitcoin at $0USD
Mobile as your Identity
•SS7 Vunerabilities
•Intercept / Impersonate Calls
•Intercept / Impersonate SMS
•Reset Accounts Gmail…
•Erase Cloud Storage
•Erase Devices
Sim Swap
•Phishing, Smishing, Vishing
• SIM blocked
• New SIM
• Use SIM OTP to reset accounts
Code as VULNERABILITIES
Blockchain are CODE
34,000 Smart Contracts Vulnerable
Exchanges are not SAFES
Tokenisation as
Good as the AUDIT
Cold Wallet MitM Attack
Social Engineering Attacks
Exchanges Phishing
Clueless Insiders & Hackers
St-Petersburg Blogger Robbed $425K
0 Day Exploits - Guaranteed
NSA is tracking Bitcoin
Complexity is your enemy
What is our Risk Appetit
CONSEQUENCE
LIKLIEHOOD
FV
T
Risk Group 1
Risk Group 2
Risk Group 3
HighLow
Low
High
RESPONSE
PROTECTION
Target Risk
Risk Reduction Strategy
Update outdated Assumptions?
Crypto Countermeasures
1. Securing your email account
2. Securing your social media
3. Enabling 2-factor
authentication, biometrics
4. Vulnerability Management
5. Threat Management
6. Security Awareness Training
7. Incident Response Drill
8. CERT
Proper Security Metrics &
Countermeasures
Custody
&
Insurance
Reduces
RISK
A6 - Approach
Business
Risk
Maturity
Blockchain transforming
Cyber Security
You need more then a seat belt
Jorge Sebastiao, CISSP
Twitter.com/4jorge
Linkedin.com/in/Sebastiao

Blockchain and security v3