Symantec points out Vista security holes: Microsoft poured lots of resources into making its newest OS secure, an effort that some analysts have praised. But now Symantec has released a report citing out security shortcomings in the OS. Among them: its ability to effectively ward off existing malware threats. Google tackles click fraud: Advertisers pay good money for ad placement on Google, so it's no surprise t Symantec points out Vista security holes: Microsoft poured lots of resources into making its newest OS secure, an effort that some analysts have praised. But now Symantec has released a report citing out security shortcomings in the OS. Among them: its ability to effectively ward off existing malware threats. Google tackles click fraud: Advertisers pay good money for ad placement on Google, so it’s no surprise they want to be sure that the clicks they get are legit. Alas, click fraud has been on the rise, but the search behemoth has announced plans for further-enhanced tools to combat the problem — including giving advertisers the ability to blacklist select IP addresses.Are you open or not? Matt Asay over in the Open Sources blog further probes the question of what makes a company open source. His definition: “My own definition of an open source company? The company must actually release code as part of its core business.” And by that definition, he contends that EnterpriseDB, contrary to some opinions, is definitely not an open-source company. Why? “EnterpriseDB’s business is in selling proprietary extensions to PostgreSQL. Period.” Technology Industry