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Firms fail to recognise that the world of the Internet and e-commerce goes on continually.
They put up a Web site to engage in global e-trade and demonstrate they are open for business, but staff are only around during UK office hours. Businesses shut down at night, the best time for cybercrime attacks, but IT systems are left on. Firms need to be prepared to detect activity at all times and take some form of action. It is impossible for firms to achieve 100 percent security. There are many reasons for this, such as antivirus software only working against known viruses and staff causing problems due to a lack of understanding.