Researchers: Popular apps have mismanaged securityWindows and its components may have had many security problems over the years, but at least Microsoft is trying to remedy the situation. Researchers found that some popular applications - such as AOL Instant Messenger and Adobe Photoshop - undermine that effort by making changes that could allow attackers to bypass Windows security mechanisms. Get all the details.Review: Juniper\/NetScreen deal bears fruitIn Network World's exclusive test, the first security product resulting from Juniper's purchase of NetScreen posts impressive speed at a low price. Get the full results.Cisco, Kineto team for converged serviceCisco and Kineto Wireless are working together to make it easier for mobile phone operators to move from trialing services that let mobile phone customers roam between Wi-Fi and cellular networks to offering commercial services, the companies planned to announce on Tuesday. Click here for more.Honeywell blames ex-employee in data leakHoneywell says a former employee has disclosed sensitive information relating to 19,000 of the company's U.S. employees. Click here for more.Achieve operational excellenceWhat is "operational excellence"? What on earth does a COEO do? And why should IT not only care, but also get excited about it? Ed Kamins, chief operational excellence officer at Avnet, shares these secrets in this week's Hot Seat video. Watch it now.The IT profession in the year 2010Four years from now, the IT profession could look a lot different than it does today, and you might not even be in it. Linda Leung takes a closer look. See the full story.