The threat within: How SMEs can protect themselves from light-fingered staff
by Raj Samani - EMEA CTO at McAfee - Thursday, 31 October 2013.
5. Keep ex-employees out. While most internal leaks will happen unwittingly, the few intentional cases of data theft often involve bitter ex-employees seeking revenge. Ensure you block all access to your network as soon as the employment is terminated to avoid nasty surprises.