账号风险检测活动

def check_login_risk(username, ip_address, device_id):
    # 假设我们有一些预设的风险规则
    risk_rules = {
        "unusual_ip": lambda ip: ip not in known_ips.get(username, []),
        "unusual_device": lambda device: device not in known_devices.get(username, []),
        "frequent_login_attempts": lambda attempts: attempts > MAX_ATTEMPTS
    }
    
    # 检查IP地址是否异常
    if risk_rules["unusual_ip"](ip_address):
        return "高风险：IP地址异常"
    
    # 检查设备ID是否异常
    if risk_rules["unusual_device"](device_id):
        return "高风险：设备ID异常"
    
    # 这里可以添加更多规则检查...
    
    return "安全"

# 示例调用
result = check_login_risk("user123", "192.168.1.1", "deviceABC")
print(result)