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

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573 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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3answers
334 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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1answer
492 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
4k 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
521 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
146 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
1k 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
194 views

Getting bogus recovery phone number changed emails at my recovery email for accounts that aren't mine

Recently I've been getting a lot of emails sent to my backup email address alerting me that the recovery phone number for my Gmail account has changed, but the account referenced in the email is not ...
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1answer
129 views

Gmail locked out “detected unusual activity” asking for phone # - will this go away later?

I'm locked out of my Gmail account as it says it detected unusual activity and asks for my phone number to send a verification code. I don't know why this happened all of a sudden. I don't have a ...
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1answer
350 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
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
138 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
243 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
463 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
882 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
76 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
243 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
34 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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184 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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0answers
159 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
967 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
75 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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1answer
876 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
5k 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
36 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
310 views

Is any way to pass WebSense? [closed]

Is any way to pass WebSense ?
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3answers
781 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
337 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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2answers
106 views

Google sign in & security shows unknown Linux under recently used devices

I signed into my Google account and see that there is this Linux that last synced recently..., under "recently used devices". I have no clue what this is. I don't remember using any Linux or do any ...
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1answer
80 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
151 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
39 views

Is it true that Microsoft doesn't allow more than 16 characters in their Hotmail password?

I'm trying to change my Hotmail password after a breach in LastPass but it doesn't seem to work. So I'm curious if Microsoft has a limit of 16 characters for a password? If so, this is very insecure ...
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1answer
87 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
4k 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
761 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
828 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
61 views

My Gmail account is being used in another location

Actually, I do not know whether or not my Gmail account is compromised given the details. I am on a desktop computer right now and logged in to my account. I have got a Windows phone with Gmail ...
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275 views

To block private Instagram profile from Google Search?

Many social media application have setting by which you can prevent your profile in Google search. However, Instagram does not have it. They also ignore the users' feedback by not offering customer ...
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1answer
13k 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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1answer
897 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
153 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 ...
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1answer
75 views

Validate that a web application has used a specific hash function for its certificate

What is the process for verifying the hash function that was used to create a web applications certificate? I ask because there apparently has been some issue with the MD5 hash function wherein ...
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1answer
34 views

Facebook login IP list

Is it possible on Facebook to obtain a list of recent login IP addresses? If not, is it possible to get information about recent login attempts? When somebody tries to login (but fails the photo ...
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0answers
18 views

Facebook login from untrusted device - nothing happens

I have only one trusted device - an Android phone. I tried to login to Facebook using different user agents and proxies but nothing happened. What is the purpose of a trusted device? Why am I able to ...
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16 views

ServiceNow attachments based on file type

I am using ServiceNow. There is a built-in capability to restrict attachments based on extension. However, this is insufficient in terms of security. The file extension can be easily changed which ...
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44 views

How do I remove the notification “You have granted access to your account to xxxxxxxx@gmail.com”?

I have a primary GMail mail account (e.g.; Private@gmail.com) which I use to communicate with my close friends and family members, to which my Youtube account with a lot of personal and ideological ...