Linked Questions

3 votes
1 answer
3k views

Reverse engineer Gravatar to email [duplicate]

Possible Duplicates: Is using Gravatar a security risk? Is Gravatar a privacy risk? Since the Gravatar is generated based on the email address. Is it possible to determine a user's email ...
Shiraz Bhaiji's user avatar
2818 votes
9 answers
322k views

A Terms of Service update restricting companies that scrape your profile information without your permission

Update (April 19, 2016): This change is now live. You can view the updated Terms of Service here, or read about them below. tl;dr: We’re planning to make some changes to our Terms of Service to stop ...
Jaydles's user avatar
  • 52.7k
155 votes
16 answers
11k views

Can we use non-gravatar avatars?

Alternative to Gravatar has been rolled out. It would be nice to have the option to just upload an avatar rather than have to use some external service like gravatar. While gravatar may be ...
cas's user avatar
  • 1,911
107 votes
6 answers
5k views

Someone contacted me by email but my email is not public

Last week I got an email to my email address saying "I saw on Stack Overflow that you were interested in.." and the content of the question I asked. The email suggested I'll star a bug \ feature ...
Segev's user avatar
  • 961
105 votes
5 answers
18k views

Is using Gravatar a security risk?

This has been discussed on Stack Overflow. It is unfortunate the accepted answer is so far from reality. There are some facts: Gravatar's MD5 hash is an unsalted MD5 hash of an email address. A ...
1 vote
3 answers
430 views

Spam from T&C Vectors: Jeff, please protect our email addresses from Spambots

I do have an email address in my profile, however its a png (safe from 99% of spambots). The profile page promises never to publicly show my email adress too, but only use it for gravatar. The ...
Johannes Rudolph's user avatar
18 votes
1 answer
3k views

Unexpectedly changing identicon

I was interested if I can use a different flavor of gravatar instead of identicon. When you click on the change picture text on your profile picture it has the Identicon and Upload options. I clicked ...
vbence's user avatar
  • 4,353
-15 votes
3 answers
465 views

Is this moderator's suggestion a breach of the Stack Exchange privacy policy?

Stack Exchange's privacy policy I was bumbling about on Stack Exchange site Physics' meta area and saw this thread started by a Physics moderator who went on to suggest (in the thread) using ...
Magpie's user avatar
  • 223
16 votes
2 answers
272 views

I changed my Stack Overflow account email address. Suddenly, my username and photo changed too

I was recently laid off from my company. I changed my Stack Overflow account's email address from my work email to my personal email. Upon doing this, my username, which was "Umbrella_Programmer," ...
Umbrella_Programmer's user avatar
-19 votes
3 answers
2k views

Search user by email

I am facing a problem when I just know an email of a user and not their username in Stack Overflow. because it may be something else. There should be a feature to search users by email.
Vishal Suthar's user avatar
15 votes
1 answer
986 views

Use the user ID instead of IP address for anonymous user Gravatars

As I discovered yesterday, if you don't configure an email address your Gravatar is based on your IP address. Specifically, SE calculates the MD5 hash of your IP address in dotted-decimal notation. ...
arx's user avatar
  • 397
15 votes
2 answers
970 views

Is unicornify a privacy risk? [closed]

I ran across the comment below. I'm peculiarly curious of MetaSO's opinions on points 4 and 6, though the others of interest too. Are these concerns delicious, and if so, what flavors do you think are ...
Pollyanna's user avatar
  • 76.1k
24 votes
2 answers
216 views

Revealing avatars in anonymous accounts [duplicate]

When one creates a post anonymously on a StackExchange site that allows it and supplies their e-mail address, the site leaks the Gravatar associated with given e-mail. I believe this is a minor ...
user avatar
7 votes
1 answer
604 views

How does SO calculate email hash?

I'm not sure how sensitive this piece of information is considered (don't throw stones), but I was wondering how SO calculates the email hash. We want to check if certain people for which we have the ...
Bogdan Vasilescu's user avatar
9 votes
1 answer
556 views

Include email address hash in the data dump files

Hi all, I am working on what I think will prove to be a very exciting project with the SO data dump data and would like to use user avatars but alas I need each user's email address, well their email ...
Andrew G. Johnson's user avatar

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