chicksdaddy writes "A month after an unknown gray hat hacker calling himself 'pr0f' used a three character password to hack his way onto Siemens software used to manage water treatment equipment in South Houston, Texas, a security researcher working for Google is accusing the company of trying to cover up the existence of other, more serious vulnerabilities in its products. Billy Rios has disclosed a range of vulnerabilities in Siemens SIMATIC software on his blog. The holes could allow a remote attacker to gain access to the Simatic user interface without a user name and password. Rios claims that he has disclosed the hole to Siemens and that the company has acknowledged the problem, only to deny its existence when a reporter asked for more information about the vulnerability."
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