账号异常告警 租用

import datetime

class AccountMonitor:
    def __init__(self, user_activity_log):
        self.user_activity_log = user_activity_log

    def check_for_anomalies(self):
        current_time = datetime.datetime.now()
        recent_activities = [activity for activity in self.user_activity_log if (current_time - activity['time']).seconds < 3600]
        
        # 简单的异常检测逻辑：如果1小时内登录地点变更超过3次，则触发告警
        locations = [activity['location'] for activity in recent_activities]
        if locations.count(locations[0]) < len(locations) - 2:  # 至少有3个不同的地点
            self.trigger_alert("登录地点异常变动")

    def trigger_alert(self, message):
        print(f"ALERT: {message}")
        # 这里可以添加发送邮件、短信等通知的代码

# 示例使用
user_logs = [
    {'time': datetime.datetime.now() - datetime.timedelta(minutes=10), 'location': 'New York'},
    {'time': datetime.datetime.now() - datetime.timedelta(minutes=20), 'location': 'Los Angeles'},
    {'time': datetime.datetime.now() - datetime.timedelta(minutes=30), 'location': 'Chicago'},
    {'time': datetime.datetime.now() - datetime.timedelta(minutes=40), 'location': 'New York'}
]

monitor = AccountMonitor(user_logs)
monitor.check_for_anomalies()