User visibility
In order to foster collaboration among users, Analytics is going to add the ability for each user to see all of the other users who also have permissions for a particular level of the account hierarchy, and for each higher level in the hierarchy. For example, if you have permissions for an Analytics view, then you can see all other users who have permissions for that view, and for the parent property and account.
Administrators and users have options to control account membership and permissions, and consequently determine which users are visible to one another:
Suite Admins can remove users from linked Analytics accounts.
Analytics users who have the Manage Users permission can remove users, as well as reassign users to different areas of the Analytics account hierarchy (e.g., a different view) when there’s a need to move users to separate spaces.
All Analytics users can remove themselves from Analytics accounts.
Learn more about user management in Analytics.
How Spammers Get Your Email Address
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Spam is amazing. In an unprecedented and astonishing effort, junk email reaches almost everybody online.
All it takes to get on the mailing lists used by spammers is an email address. There is no need to sign up for anything or ask for emails. The spam just starts coming, out of nowhere, apparently without any plan, and without a reason. It invades email addresses that are never used.
But how do spammers discover email addresses?
How do they find your mailbox when your best friend does not?
Dictionary Attack
Big free email providers like Windows Live Hotmail or Yahoo! Mail are a spammer's paradise, at least when it comes to finding spammable addresses.
Millions of users share one common domain name, so you already know that ("hotmail.com" in the case of Hotmail). Try to sign up for a new account and you will discover that guessing an existing username is not difficult either. Most short and good names are taken.
So, to find email addresses at a large ISP, it's enough to combine the domain name with a random username. Chances are both "asdf1@hotmailcom" and "asdf2@hotmail.com" exist.
To beat this kind of spammer attack,
Brute Searching Force
Another tactic employed by spammers to discover email addresses is to search common sources for email addresses. They have robots scanning web pages and following links.
These address harvesting bots work a lot like the search engines' robots, only they're not after the page content at all. Strings with '@' somewhere in the middle and a top-level domain at the end are all the spammers are interested in.
While not picky, the pages the spammers are particularly keen to visit are web forums, chat rooms, and web-based interfaces to usenet because lots of email addresses are likely to be found there.
This is why you should
- disguise your email address when you use it on the net or, better yet,
- use disposable email addresses.
If you post your address on your own web page or blog, you can
so visitors who want to send you an email can see and use it, but spambots cannot. Again,
provides a very effective and at the same time convenient alternative.
Worms Turning Infested PCs Into Spam Zombies
To avoid being detected and filtered, spammers seek to send their emails from a distributed network of computers. Ideally, these computers are not even their own but those of unsuspecting users.
To build such a distributed network of spam zombies, spammers cooperate with virus authors who equip their worms with small programs that can send bulk emails.
Additionally, these spam-sending engines will often scan the user's address book, web cache and files for email addresses. That's another chance for spammers to catch your address, and this one is particularly difficult to avoid.
The best anybody can do is
- keep their email program updated and patched,
- be wary of any attachments they did not request and
- do virus scans with a free, up to date scanner regularly.