---
title: errSSLATSCiphersuiteViolation
framework: security
role: symbol
role_heading: Global Variable
path: security/errsslatsciphersuiteviolation
---

# errSSLATSCiphersuiteViolation

The selected ciphersuite isn’t App Transport Security compliant.

## Declaration

```swift
var errSSLATSCiphersuiteViolation: OSStatus { get }
```

## Overview

Overview For more information about App Transport Security (ATS) compliance, see Preventing Insecure Network Connections.