IN A three-year sabotage spree he repeatedly squirted the caustic cleaning fluid into the company's computers, causing system failures and £32,000 worth of damage.
His employers eventually installed CCTV cameras in the offices and when they caught the 44-year-old embarking on one of his Cillit Bang missions.
Edward Sobolewski was today starting a eight month jail sentence after a judge ordered him to also pay £10,000 costs for his "malicious" attacks.
The accounts controller admitted causing the damage at the Oxford office of market research company Frost and Sullivan because he was "p-----d off" after not getting a pay increase.
He routinely used Cillit Bang - famous for its advertising catchphrase "bang and the dirt is gone" - to bring the firm's IT systems to a halt between 2009 and 2012.
Read more at the Telegraph