Your smart contracts can be flawless and you'll still get rekt.

Security is a system, not a checklist.

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#CryptoSecurity #SmartContractAudit #DeFiSecurity #Web3Security

When I audit protocols now, I spend as much time on:
• Who can deploy
• How keys are stored
• What's in your CI pipeline
• Your incident response plan

As I do on reentrancy patterns.

The attack surface has expanded. Your assessment should too.

Secure development now requires:

• Multi-sig with hardware keys (not just 2-of-3)
• Air-gapped build environments
• Formal incident response plans
• Regular social engineering drills for your team
• Supply chain verification (dependencies, CI runners)

Over 90% of projects still have critical, exploitable vulnerabilities.

But increasingly those vulns aren't in the Solidity—they're in:
• Key management processes
• Build pipeline security
• Access control hygiene
• Social engineering resistance

North Korean Lazarus Group: 61% of all blockchain hacks attributed to them.

Their method?
1. Social engineer a developer
2. Compromise CI/CD or wallet
3. Exploit trust relationships

Sophisticated? No. Effective? Absolutely.

The $1.5B Bybit exploit wasn't a smart contract bug.

Attackers compromised developer infrastructure, injected malicious code into the build pipeline, and signed fraudulent transactions with legitimate keys.

The contracts were fine. The process wasn't.

For years we focused on code:
• Reentrancy guards
• Integer overflow checks
• Formal verification

But 2025 proved the obvious: attackers target the path of least resistance.

And that path increasingly leads to humans, not contracts.