Websites belong to the Swiss largest supermarket chains Migros and Coop and the country’s Federal Railways are mostly suffered. There were also attempts by the hackers to blackmail the targeted companies. These were so called denial-of-service (DDoS) attacks, which occur when multiple systems flood the bandwidth of a targeted system, usually one or more web servers. This kind of cyber-attacks is often the result of a botnet. These attacks which paralyzed IT and telephone system is a network with software specifically designed to disrupt or damage computer systems.
Swiss companies have recently suffered their biggest ever coordinated cyber-attacks; Switzerland is particularly vulnerable to these attacks because of its high-tech infrastructure and financial services sector. Swiss companies faced huge losses from cyber-attacks, a report published in 2015 by the professional service company ,KPMG, stated that Swiss companies suffered losses of over CHF200 million ($206 million) due to cyber-crime in 2014.
In recent times, the emails of 6000 Swiss small companies and private individuals were also hi-jacked apart from large scale commerce.