[ISN] Sacked staff turn to sabotage

From: InfoSec News (isnat_private)
Date: Tue Jul 29 2003 - 01:14:29 PDT

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    http://www.vnunet.com/News/1142653
    
    By Claire Pope 
    28-07-2003
    
    Failure to revoke access to corporate networks could prove very costly
    
    IT departments that fail to revoke access rights to critical systems
    risk exposing their firms to security breaches by former employees,
    new research has found.
    
    More than half the UK workforce would be prepared to seek revenge on
    former employers by exploiting continued access to corporate systems
    if they were unhappy at losing their job, according to research by
    software vendor Novell.
    
    Security experts stressed that this shows the importance of having
    good policies in place to deal with staff leaving and to provide legal
    protection.
    
    Half of those questioned indicated that they would continue to access
    the corporate IT network, and 55 per cent would continue to use their
    company laptop if it was not taken back.
    
    More worryingly, six per cent said that they would delete important
    files, and four per cent would let a virus loose in the corporate
    email system.
    
    Sixty-seven per cent would be prepared to steal sensitive information
    that would help in their next job, and 38 per cent said that they
    would steal company leads.
    
    Fifty-eight per cent would continue to use company mobile phones if
    they were not taken back, costing UK industry an estimated £1m a week.
    
    According to the Department of Trade and Industry, not even a third of
    UK firms have the security policies necessary to ensure that staff
    access to company resources is terminated when they leave.
    
    "If an employee has permission to access a customer database, user
    policies must be worded very carefully," said Neil Barrett, technical
    director at security specialist Information Risk Management.
    
    "If access is properly specified the employee would no longer have the
    right to read the records, let alone take or change them."
    
    
    
    
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