# Understanding Potential Attack Vectors

- [Fraud/Impersonation](/gitcoin-knowledge-base/about-gitcoin/policy/understanding-potential-attack-vectors/fraud-impersonation.md)
- [Collusion Attack](/gitcoin-knowledge-base/about-gitcoin/policy/understanding-potential-attack-vectors/collusion-attack.md)
- [Sybil Attack](/gitcoin-knowledge-base/about-gitcoin/policy/understanding-potential-attack-vectors/sybil-attack.md)
- [Bribery/Quid Pro Quo](/gitcoin-knowledge-base/about-gitcoin/policy/understanding-potential-attack-vectors/bribery-quid-pro-quo.md)