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#1
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Excel Data Protection Best Practice: AKA: Real Sheet Protection
Hello-
Any advice for best practices for protecting data/methods/macros within Excel? Clearly, password protecting a sheet isn't the best security (free utilities to crack it). Scenario: - I need users to be able to access the workbook, but by no means, gain access to data within the certain sheets - I can hide the data by utilizing similar colored text and hiding the rows/columns - Once the password is created, it appears there are tons of free utilities that remove these passwords- Bummer. Question: - Any advice to help prevent the utilities from doing this? More complex passwords help? - Any best practices to prevent would be scoundrels from gaining access to this data if they do crack the sheet passwords? (unfortunately, the sheets are calculating data so having a feed from outside won't help) - Any idea if this 'problem' has been addressed in office 2010? (aka: better sheet password protection) Many thanks for the tips, tricks, thoughts on this subject. |
#2
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Excel Data Protection Best Practice: AKA: Real Sheet Protection
No idea about xl2010...
But if you're worried about your intellectual property, then excel isn't the application you should be using. Or if you have to use excel, then you shouldn't be sharing that workbook with others who can't be trusted. Mushman(Woof!) wrote: Hello- Any advice for best practices for protecting data/methods/macros within Excel? Clearly, password protecting a sheet isn't the best security (free utilities to crack it). Scenario: - I need users to be able to access the workbook, but by no means, gain access to data within the certain sheets - I can hide the data by utilizing similar colored text and hiding the rows/columns - Once the password is created, it appears there are tons of free utilities that remove these passwords- Bummer. Question: - Any advice to help prevent the utilities from doing this? More complex passwords help? - Any best practices to prevent would be scoundrels from gaining access to this data if they do crack the sheet passwords? (unfortunately, the sheets are calculating data so having a feed from outside won't help) - Any idea if this 'problem' has been addressed in office 2010? (aka: better sheet password protection) Many thanks for the tips, tricks, thoughts on this subject. -- Dave Peterson |
#3
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Excel Data Protection Best Practice: AKA: Real Sheet Protection
Hi,
The only way for 2 people to keep a secret is for one to kill the other. Excel is a little like that, if you share your workbook with someone else, with a little ingenuity and Google they have access to your data. Mike "Mushman(Woof!)" wrote: Hello- Any advice for best practices for protecting data/methods/macros within Excel? Clearly, password protecting a sheet isn't the best security (free utilities to crack it). Scenario: - I need users to be able to access the workbook, but by no means, gain access to data within the certain sheets - I can hide the data by utilizing similar colored text and hiding the rows/columns - Once the password is created, it appears there are tons of free utilities that remove these passwords- Bummer. Question: - Any advice to help prevent the utilities from doing this? More complex passwords help? - Any best practices to prevent would be scoundrels from gaining access to this data if they do crack the sheet passwords? (unfortunately, the sheets are calculating data so having a feed from outside won't help) - Any idea if this 'problem' has been addressed in office 2010? (aka: better sheet password protection) Many thanks for the tips, tricks, thoughts on this subject. |
#4
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Excel Data Protection Best Practice: AKA: Real Sheet Protectio
P.S.
- Any best practices to prevent would be scoundrels from gaining access to this data I love the English language "Scoundrel". Why do people find it necessary to swear when we have such an abundance of words. There's scoundrels and rapscallions everywhere these days!! Mike "Mike H" wrote: Hi, The only way for 2 people to keep a secret is for one to kill the other. Excel is a little like that, if you share your workbook with someone else, with a little ingenuity and Google they have access to your data. Mike "Mushman(Woof!)" wrote: Hello- Any advice for best practices for protecting data/methods/macros within Excel? Clearly, password protecting a sheet isn't the best security (free utilities to crack it). Scenario: - I need users to be able to access the workbook, but by no means, gain access to data within the certain sheets - I can hide the data by utilizing similar colored text and hiding the rows/columns - Once the password is created, it appears there are tons of free utilities that remove these passwords- Bummer. Question: - Any advice to help prevent the utilities from doing this? More complex passwords help? - Any best practices to prevent would be scoundrels from gaining access to this data if they do crack the sheet passwords? (unfortunately, the sheets are calculating data so having a feed from outside won't help) - Any idea if this 'problem' has been addressed in office 2010? (aka: better sheet password protection) Many thanks for the tips, tricks, thoughts on this subject. |
#5
Posted to microsoft.public.excel.misc
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Excel Data Protection Best Practice: AKA: Real Sheet Protectio
Funny you noticed that. I lived in London for a number of years and there are
certain things that have stuck: - Tea - Ring instead of call - Scoundrel in stead of @$$ #@!! Thanks for the depressing news Excel security. I'm pretty surprised MS would let such a glaring weakness go on so long considering how XL is used and where. I've noticed tons of users complaining. Hope this is addressed in 2010, but not holding my breath all things considered. "Mike H" wrote: P.S. - Any best practices to prevent would be scoundrels from gaining access to this data I love the English language "Scoundrel". Why do people find it necessary to swear when we have such an abundance of words. There's scoundrels and rapscallions everywhere these days!! Mike |
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