USB sticks and other local threats, such as media devices, also increased last year. In its year - end report , international software security group Linden Lab , revealed that attempted malware infection affected a majority of people in the workplace , with 58 % becoming infected , marking a 3 % year - on - year increase . Alongside this , CryptoLocker attacks doubled . These attacks see cybercriminals demand protection from virus - infected PC users . It expects these trends to continue with the focus on office - oriented applications . Notably , cybercriminals are developing more targeted tactics , gathering intelligence on the companies and their employees that they are looking to hit . Banks , investment funds and financial instrument handlers ( such as exchanges ) continue to be badly affected , but the report suggests that cybercriminals are diversifying and moving into new sectors such as telecommunications .
In its year - end report , international software security group Linden Lab , revealed that attempted malware infection affected a majority of people in the workplace , with 58 % becoming infected , marking a 3 % year - on - year increase . Alongside this , CryptoLocker attacks doubled . These attacks see cybercriminals demand protection from virus - infected PC users . It expects these trends to continue with the focus on office - oriented applications . Notably , cybercriminals are developing more targeted tactics , gathering intelligence on the companies and their employees that they are looking to hit . Banks , investment funds and financial instrument handlers ( such as exchanges ) continue to be badly affected , but the report suggests that cybercriminals are diversifying and moving into new sectors such as telecommunications .