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TEENAGERS should think twice before posting personal information and photos on the internet, as they might come back to haunt them, privacy experts warn. Young people risked losing jobs or being embarrassed by teachers and relatives viewing party pictures or sexually explicit images uploaded on social networking websites.

Digital Attack Map One of the easiest ways to silence someone online is a distributed denial of service attack (DDoS). But it's difficult to solve a problem you can't see. Digital Attack Map visualizes the most powerful DDoS attacks happening in the world right now, using data from our partner Arbor Networks. DDoS attacks sometimes relate directly to events in the real world such as conflicts or political disputes. A Distributed Denial of Service (DDoS) attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources. They target a wide variety of important resources, from banks to news websites, and present a major challenge to making sure people can publish and access important information.