# Comprehensive Security Event Detection (Notifications)

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**NOTE:** This is an opt-in feature. OMNIA is committed to enhance and protect our users' privacy.
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## Address-Related Security Events

#### MaliciousAddressEvent **Indicators:**

* Blackmail activities
* Stealing attacks
* Malicious mining activities
* Darkweb transactions
* Cybercrime
* Money laundering
* Financial crime
* Blacklist doubts
* Mixer usage
* Sanctioned addresses
* Creation of malicious contracts

**Reason:** To prevent interactions with sanctioned or malicious addresses, safeguarding both the user and our platform.

#### ScamAddressEvent **Indicators:**

* Phishing activities
* Fake KYC attempts
* Fake standard interfaces

**Reason:** To avoid irreversible loss of funds by preventing transactions with scam-involved addresses.

#### HackingActivityAddressEvent **Indicators:**

* Honeypot-related addresses
* Gas abuse
* Reinitiation attacks

**Reason:** To prevent potential irreversible loss of funds by avoiding interactions with compromised addresses.

## Smart Contract Security Events

#### ClosedSourceContractEvent **Indicators:** Closed-source contracts

**Reason:** To notify users post-transaction that complete security checks couldn't be applied due to closed-source nature, setting the default interaction as optimistic/permissive.

#### SelfDestructContractEvent **Indicators:** Contracts with self-destruct capabilities

**Reason:** To inform users of the risks associated with self-destruct functionalities, allowing interaction while acknowledging the potential for assets becoming unavailable.

#### ProxyContractEvent **Indicators:** Proxy contracts

**Reason:** To notify users post-transaction about the proxy nature of a contract, which can change behavior and make security checks inconsistent.

### Generic Calls

#### ERC-20 Contracts

**MaliciousOwnershipEvent**\
**Indicators:**

* Ownership take-back capabilities
* Owner balance alteration
* Hidden owner

**Reason:** To alert users post-transaction about the potential risks of contract ownership changes.

**HackingActivityContractEvent**\
**Indicators:**

* External calls with ownership take-back capabilities or hidden owner
* Gas abuse

**Reason:** To warn users before transaction about the risk of loss due to hacking activities.

**ExternalCodeCallEvent**\
**Indicators:** External code calls

**Reason:** To inform users post-transaction of the increased risk associated with external, non-audited code calls.

**HoneypotContractEvent**\
**Indicators:** Honeypot behavior

**Reason:** To prevent interactions with honeypot contracts that can lead to loss of funds.

### Trading-Related Security

**RestrictedTradingEvent**\
**Indicators:**

* Sell tax
* Inability to sell all tokens
* Modifiable slippage
* Transfer pausability
* Trading cooldown
* Mintable contracts

**Reason:** To notify users post-transaction about trading restrictions that could impact liquidity and token usability.

### Scam-Related Security

**ScamTokenEvent**\
**Indicators:**

* Airdrop scams
* Cloning real tokens

**Reason:** To prevent interactions with scam tokens that can lead to irreversible loss.

**PotentialRugPullEvent**\
**Indicators:**

* Privilege withdrawal
* Missing withdrawal with blackhole owner

**Reason:** To alert users post-transaction about potential rug pull risks, ensuring they are aware and cautious.

### ERC-721 & ERC-1155 Contracts

**MaliciousNFTContractEvent**\
**Indicators:**

* Malicious NFT contracts
* Privileged burn by EOA
* Oversupply minting

**Reason:** To prevent interactions with malicious NFT contracts that can lead to immediate loss of assets.

### Scam-Related Security

**ScamNFTEvent**\
**Indicators:**

* Transfers without approval
* Unverified or unfrozen metadata

**Reason:** To avoid transactions with scam NFTs, protecting users from potential loss.

### Approval Calls

#### MaliciousApprovalEvent **Indicators:**

* Malicious address and behavior
* Approval abuse

**Reason:** To maintain the security of token approvals, ensuring users are protected from malicious approval schemes.