Microsoft finally admits fault for PDF attacks

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| There we were thinking that Adobe was at fault because its Acrobat reader had
| a vulnerability that exposed users to bad PDF files filled with malwares sent
| in spam when all along it was yet another vulnerability in Microsoft Windows.
| Microsoft has belatedly admitted that it's to blame and is working on a fix
| but for many it may be too late as spam with dodgy PDF files is hitting
| mailboxes by tens of thousands.

Report: U.S. tops list of spam-offending countries

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| The U.S. remains the world's biggest spammer, according to security firm
| Sophos, which on Friday released its quarterly report on the world's top
| spam-offending countries--dubbed the "Dirty Dozen."

How many of these are just zombies?


New PDF Zero-Day Vulnerability

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| The British security researcher who has disclosed two critical flaws in
| popular media files in the past week said Thursday that a zero-day
| vulnerability in Adobe Inc.'s pervasive PDF files could be exploited to
| snatch control of Windows XP systems. *

Microsoft Windows: Insecure by Design

If Only We Knew Then What We Know Now About Windows XP

Why Windows is a security nightmare.

The Structural Failures of Windows