A branch of computer technology known as information security as applied to computers and networks.

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How do I prevent vandalism on my user-generated website?

Are there some knowledge base\technologies\algorithms\practices\applications which can help in struggling internet-vandalism?
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1answer
510 views

Why my friend was able to facebook sign in to other people account

Recently, my friend show me that although she is using her own username and password, once a while, she will get accidentally sign in into a stranger account. How can it be possible someone else ...
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1answer
455 views

Is there a Master Password for Google Drive documents?

So I have a special document that I already set to self-private. However, I want to also make a Master Password for that document in case somebody accidentally gets into my account or the somehow ...
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1answer
3k views

Find if my Facebook account was accessed from a different location

I suspect that someone I know logged into my Facebook account, yet I have no tangible evidence. If so, the person certainly did it from a different country (as I suspect a particular person). Is ...
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1answer
513 views

Which popular/high-profile web applications support two-factor authentication? [closed]

I'm aware that both Google and Facebook offer two-factor authentication, by sending an SMS to your phone under certain circumstances. What other popular or high-profile web applications support ...
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2answers
141 views

Is someone hijacking my online accounts?

Basically, someone else on the internet is trying to access various accounts under my name and registering new ones with my email address. From the information I can glean, it seems likely that the ...
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3answers
2k views

Preventing Google Docs from opening a password protected document

How do I prevent Microsoft documents from being opened in Google Docs? I used to email password-protect Excel/Word documents to myself for retrieval at another computer but then realized that anyone ...
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1answer
3k views

Google Calendar Security/Privacy Concerns?

I would - not for me but for an older, tech-noob person - like to set up Google Calendar for the sole purpose of syncing his mobile phone with his Thunderbird/Lightning. Since I have never used (most ...
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2answers
742 views

Is there a way to get a quick answer from Facebook support team?

It's been several weeks and several emails, still no answers. I suspended my account because I suspected that it was hacked. I've been trying to get it reactivated through Facebook reactivation ...
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1answer
125 views

How to increase privacy on Facebook from non-friends?

I happened to see my Facebook account from a profile who isn't my friend. Basically everything is public. I thought I had fixed this with the settings. My issues are: I don't want strangers to ...
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1answer
213 views

Live: “Someone else has been using your account” — can I see who?

In live.com and related services that use the same account I've been receiving the message It looks like someone else might be using your account Now, this has happened to me before in other ...
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1answer
33 views

Is there such a thing as an in-browser browser? [closed]

I've just started in a new company, one with very very strict IT rules. I'm stuck using IEv8 and am therefore barred from a whole bunch of different sites due to its incompatibility or backwards ...
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1answer
2k views

Do I have to worry if somebody tried to reset my Facebook password?

I have got this email earlier which asked me that I have requested t change the password of my FB account which I didn't. I refused the request for that and haven't changed the password of my Gmail ...
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1answer
134 views

Have Facebook prompt for a security code when I change profile picture or change profile information

Is there a way to setup my Facebook account to ask me for a security code every time I change my profile picture or post a status message?
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1answer
233 views

Is it possible to protect Facebook page from takeover by other administrator?

If many people have admin access to Facebook page one of them can delete page, or remove other administrator. Is it possible to protect from that situation in some way (ie. master admin or password)? ...
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1answer
401 views

Can't see replies to my posts and can't log in through Android or Wap site

My Android/Wap accounts stopped working 2 days ago. I'm unable to log in even though my passwords and usernames are correct. It says: Does not match stored session / password may have changed by ...
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3answers
747 views

Sending emails to Gmail that do not trigger phishing warning

I have been using Google groups for quite some time. Recently, when I'm viewing the mails from these groups I get warnings on the header saying: This message may not have been sent by ...
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1answer
4k views

How to prevent certain Facebook friends from sending you Inbox messages

Is there a way to prevent a Facebook friend from sending you Inbox messages? I want to have a group called "Public Contact Only" that basically cannot have side-bar conversations with me. The idea ...
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1answer
48 views

Someone sent a message to a friend on Facebook. It wasn't me. Nobody else has access to my account. How?

Someone sent a message to 4 friends on Facebook. It wasn't me, and couldn't've been me, since I was driving at the time. Nobody else has access to my account. The only 2 devices that are logged into ...
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0answers
19 views

Is selecting trusted computer in 2-step verification less secure? [migrated]

In using 2-step verification, does selecting 'Trusted Computer' a less secure options? https://support.google.com/accounts/answer/2544838?hl=en If so, is it still a reasonably secure option?
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0answers
92 views

Facebook friends list, including disabled accounts, shows one less than friends count!

For a while now, Facebook has been showing deactivated accounts in one's friends list, which is nice. However, the total number of friends in my list, including disabled accounts, is one less than the ...
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0answers
114 views

How to hide from the public “comments and likes from friends” underneath my Facebook cover photo

My Facebook friends list is set to "friends only" so the public cannot see this. They can, however, see who SOME of my friends are by viewing the comments and likes from friends underneath my cover ...
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0answers
28 views

How to set up PayPal's two-factor authentication with a mobile app or trust my computer?

I just set up two-factor authentication feature for my account with PayPal, but I can't seem to find a way how to set it up to either trust my desktop computer (so that it doesn't ask for a PIN on it) ...
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0answers
87 views

How do I tell Google that the supposedly suspicious activity was me?

Since a few months ago, all Google web apps have been telling me that they suspect suspicious activity on my account: "Warning: Someone signed in to your account from a different location. Was it ...
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0answers
26 views

Prevent other users from changing Dropbox Desktop preferences

I use Dropbox at my workplace and using selective sync, only allowed the syncing of certain folders. However, as I noticed, other people can easily sync my other files if they simply swoop in my ...
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0answers
139 views

Photo hosting site with true privacy and security [closed]

I'm looking for a photo hosting site with following properties: SSL usage is enforced for any access (including image data). Access to any image data (including thumbnails) requires user being ...
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181 views

Log in approvals

I have been locked out of my Facebook account for five days now. The issue is that I can not receive the verification code via text, I have tried sending me issue through the links you have provided ...
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138 views

How do I change Security settings on a group made secret by a hacker?

Our group was recently hacked and the hacker made the group a secret group. When we try to change it we cannot as there is no other option to pick, what should we do...how can we make it an open or ...
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0answers
524 views

How do I access a list of IP addresses that have been used to access my Twitter account?

My girlfriend discovered that her Twitter password had been changed. We have changed the password, but is there a way to list the IP addresses that have been used to access the account?
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1answer
68 views

Is there a centralised security notifications list for web based apps? [closed]

This may be in the wrong stackexchange but I was wondering if there was a centralised mailing list or website that sent out security advisories for different web apps?
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0answers
43 views

Why should I use Cloudfare? [closed]

A friend recommended me to use Cloudfare.com to manage my DNS easily but looking at the service, I don't understand what they are doing which they refer to as making my site fast and secure. I get ...
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0answers
93 views

Security and uptime for email collection form and marketing tools [closed]

I'm evaluating Campaign Monitor, Constant Contact and Mail Chimp to host a little "add your email" form on our website, then run email marketing campaigns against the addresses collected. I've ...
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1answer
783 views

Facebook Suspicious Account Access from private IP space

I received a "Suspicious Account Access" notification from Facebook telling me that someone has logged into my account from a "computer, mobile device or other location you've never used before". When ...
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2answers
4k views

Is this a spam email? It says it confirms a Paypal payment, what should I do?

FW:You just sent a payment to Colin Peterson De: PayPalAgregar a contactos Enviado: Tue, 1 May, 2012 a la(s) 3:09 pm Para:XXX PayPal You just sent a payment Transaction ID: ...
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2answers
13 views

one github account, both personal and for work - how to make it secure?

So I do have a github account which has my personal stuff, but it also is a part of the 'organization' I have at work. Now - the work stuff is sensitive. I really care about it being secure. I want ...
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1answer
303 views

Is any way to pass WebSense? [closed]

Is any way to pass WebSense ?
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3answers
514 views

Can someone (employee/freelancer) steal a Twitter account if you give them the password?

How do you handle hiring someone to make tweets for your company but also keep the account secure?
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2answers
283 views

Is down-dll safe? [closed]

I needed a specific DLL today that goes by the name libgcc_s_dw2-1.dll. The first Google result was to a site called down-dll.com Is the site considered a relatively safe site (meaning, assuming ...
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1answer
75 views

Are Facebook accounts always re-attainable?

If someone hacks my Facebook account, is it that no matter what he does, can I always get back my account? What is the maximum that he can and must do to ensure that I do not get my account back? ...
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2answers
1k views

How can I get notified if someone tries to prevent me from accessing my GMail or Yahoo! Mail accounts?

Let's say I have a GMail or Yahoo! account and another person knows my password. (I had to tell him the password because both of us are using the same account for a common purpose.) Now, is there are ...
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1answer
147 views

What can a web app do with my Twitter account if I use Twitter to login to that service?

When I use a Twitter account to login to another website, what does that authorize that website to do with my Twitter account? Does it enable them to send tweets from my account, or send direct ...
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1answer
77 views

How to prevent others from hotlinking to my images on Blogger.com?

I have a Blogger.com website that another site is hotlinking to various images. I don't believe I have access to the htaccess file to try and stop it. Is it possible?
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2answers
3k views

How safe Is “My Permissions”?

How safe is the My Permissions site? It looks like a good way to keep track of what inter-web-app permissions you've granted, at least for the big names. However, I'm at the stage where I'm ...
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1answer
731 views

Facebook Login Notification Approval?

Apparently my Facebook login notification emails me if someone has logged-in to my account, without any approval link/code in the email they send me. Is that really the way it's suppose to work? ...
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2answers
802 views

Software Engineer's explanation of Facebook photo privacy, with UML diagram?

Facebook photo privacy is more complex than most people think - including the bloggers who fill the Internet trying to explain it in simple terms. Not only there is the basic album-level privacy ...
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1answer
12k views

How do I access Outlook.com without giving them my phone number or another email address?

Outlook.com is asking for a personal phone number or alternate email address to “improve my security” and won't let me access my account without compliance. How do I bypass this? Or, how do I ...
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2answers
248 views

Privacy concern with photos in people widget

I don't mind seeing other people's recent photos - but I DO mind them seeing MINE. How can I make sure MY recent photos are not showing up on other people's people widget? Thanks
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1answer
65 views

I search application which help me to secure my different accounts, please help [closed]

Several days ago somebody steal my account (from mail.ru), after that they are steal my premium EA account and several accounts for different MMORPG. fortunately I restore access to all accounts, but ...
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1answer
514 views

What happens to my deleted Trello cards?

I am trying to push Trello for adoption within my organisation, but there is concern from higher up about the deletion of data. Are cards logically deleted (ie setting deleted=true) or are they ...
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1answer
146 views

How much data can I store in a LastPass secure note?

Does anyone know if there are limits to the amount of data you can store in a LastPass secure note? I don't want to abuse the service but I also don't want to store a large note and then lose some of ...