Los Angeles-based CyberDefender, the developer of PC security and antispyware/antivirus software, announced today that it has received $5M in a debt financing round from strategic investor GR Match, an affiliate of Guthy-Renker. According to CyberDefender, the funding will help it accelerate its growth. CyberDefender is headed by Gary Guseinov. The firm said it has been working with Guthy-Renker to increase its marketing reach through radio and television advertising.