McAfee (NASDAQ: MFE) volatility of 39 above 26-week average of 30. MFE, an intrusion prevention and security risk management provider, is recently up .22 to $33.75. MFE over all option implied volatility of 39 is above its 26-week average of 30 according to Track Data, suggesting decreasing risks.

Symantec (NASDAQ: SYMC) over all option implied volatility at 36. SYMC provides solutions to help individuals and enterprises assure the security and availability of their information. Soleil Securities says "we are reiterating our SYMC Buy rating and our $27 price target." SYMC over all option implied volatility of 36 is above its 26-week average of 33 according to Track Data, suggesting slightly larger risks.

Websense NASDAQ: WBSN) implied volatility of 42 above 26-week average of 32. WBSN, a web security and web filter software company, has a market cap of $907 million with zero long term debt. WBSN reported total 2006 revenues of $178 million. WBSN is recently down .02 to $19.97. WBSN over all option implied volatility of 42 is above its 26-week average of 32 according to Track Data, suggesting larger price risks.

Aladdin Knowledge Systems-(NASDAQ: ALDN) implied volatility Elevated at 39. ALDN is a global provider of security solutions that reduce software theft and protects network users from undetected spam & viruses. ALDN has market cap of $298 million with zero long term debt. ALDN reported 2006 annual total revenue of $89 million. ALDN over all option implied volatility of 39 is above its 26-week average of 33 according to Track Data, suggesting larger risk.

Volatility Index S&P 500 Options-VIX down 1.61 to 28.38.

Daily options Update is provided by Stock Specialist Paul Foster of theflyonthewall.com.

Option update: Software intrusion-security company's volatilities originally appeared on BloggingStocks on Mon, 20 Aug 2007 16:00:00 EST. Please see our terms for use of feeds.