短语讲解：
1. CSDN should take immediate action to repair the system gaps and provide users with security solutions.
take action采取行动, 行动起来
例句：The police had to take firm action to deal with the riots.
警方不得不采取果断行动来对付骚乱。
provide with给…提供;以…装备
例句：Somehow she managed to provide her children with food and clothing.
她总算设法使她的孩子有饭吃,有衣穿。
2. Expert Shi Xiaohong advises Internet users against panicking, saying that effective classification and timely update of passwords would prevent their privacy from being violated.
prevent from阻止, 防止
例句：His prompt action prevented the fire from spreading.
他的果断行动制止了火势的蔓延。
3. Thirdly, do not register with your working email account, in case the personal information leak will damage the information security of the company.
in case免得, 以防
例句：Take warm clothes in case the weather is cold.
穿上暖和的衣服, 以防天冷。
4. The government should prioritize security issues arising alongside new technologies and focus more on preventing illegal hacking.
focus on对(某事或做某事)予以注意
例句：Many firms are focusing on increasing their markets overseas.
许多商行都专注于扩大国外市场。
