Office-based employees pose greater threat than remote workers

The survey, conducted by Sophos, reveals that 44 per cent of businesses believe that, out of all users, their desktop-based employees are their biggest concern, despite these workers using similar devices and continually connecting to the network.

Irresponsible behaviour, using peer-to-peer applications, instant messaging software, USB sticks and incorrectly configured computers can all contribute to network risks, according to Sophos.

"It's concerning how many companies are unaware of non-compliant machines being used on their network, even though they may be permanently connected," said Graham Cluley, senior technology consultant at Sophos, in a statement.

Remote workers were another big concern for company bosses, with 31 percent of respondents feeling they are the biggest threat, compared to a quarter that considers external contractors or guest workers the greatest security risk.

"Mobile workers and guests can be a real bugbear for IT administrators trying to safeguard corporate networks, particularly when they're using different devices, security software and operating systems. They can inadvertently expose the network to a myriad of security threats," Cluley added.

The global survey questioned 208 organisations.

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