Many companies are adopting an "out of sight, out of mind approach" and neglecting the security of remote workers' IT systems, warns a survey.
The poll of 3,000 IT systems administrators found that although companies are diligent about updating their office-based antivirus software - with two-thirds of firms doing so on a daily basis - 70 per cent are only updating their remote workers' antivirus protection weekly or less frequently.
Some 45 per cent of businesses who responded to the survey, commissioned by security vendor Sophos, rely on monthly antivirus updates for remote workers.
"Neglecting remote users' IT security is like having a bucket with a hole in it," said Chris Belthoff, senior product marketing manager at Sophos.
"Businesses are largely aware of the importance of applying antivirus updates in-house, but this mindset hasn't extended to incorporate off-site workers.
"Diligent IT administrators are seriously compromising their security efforts by not enforcing stricter security policies covering remote workers' computers."
Sophos expressed concern that companies are creating a critical hole in their networks by their failure to update antivirus protection for remote users, which will be made worse by an increased number of remote users.
The company added that, since viruses are capable of spreading around the world in a matter of minutes, it is essential that updates are as regular as possible.
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