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Firefox is on the brink of being dropped by the US Government
(www.brycewray.com)
This is a most excellent place for technology news and articles.
No, you can't really make blanket statements like that at all.
Open source doesn't compromise security on its own and closed source is the same.
Open source might be more secure but that's only if people actually audit it properly and some closed source codes are audited more closely than some open source code.