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

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20
votes
4answers
24k views

How to remove Dropbox access from a computer you no longer have?

I have Dropbox installed on a few computers. One of which I no longer have access to. I no longer wish for that computer to be able to have access to my Dropbox account but I see no way to stop ...
0
votes
0answers
3 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 ...
0
votes
1answer
80 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 ...
0
votes
1answer
63 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 ...
-1
votes
1answer
39 views

Hiding everything of a Gmail account?

I have a gmail account and i want to give my account password to someone else who will use it for another app that my gmail account is connected to. How do i let him use my email and password only ...
10
votes
2answers
2k views

Is it safe to use Gravatar?

I vaguely remember hearing that Gravatar had some security or privacy flaw. I think it was that someone could extract your e-mail address if you used a Gravatar. Is Gravatar safe? How do you know? ...
-1
votes
0answers
21 views

SSL Certificate issue: “doesn't have public audit record” [migrated]

After renewing ssl certificate in our website, there seen "doesn't have public audit record" What is mean by this dialogue? Is it make any problems in websites security and how can i overcome this ...
1
vote
2answers
256 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 ...
2
votes
0answers
77 views

Is there a way to view Gmail login history beyond the default few hours? [duplicate]

I'm trying to track down some suspicious activity that happened two days ago, but Gmail's "view recent activity" doesn't go back that far. Is there some other place to look at it?
2
votes
2answers
686 views

Google Keep Does not work after turning on 2-factor Authentication on Google Account

I have been using "Google Keep" extensively to keep notes on my workstation, laptop and my mobile phone. I turned on two factor authentication recently and Google Keep stopped working on my desktop ...
0
votes
0answers
18 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 ...
7
votes
1answer
5k views

Reusing a phone number in two (or more) Facebook accounts - Is it allowed?

I have two Facebook accounts for some personal reasons. I have my phone number registered to one of them. I want to register my phone number to also the other one for security reason, but I'm worried ...
2
votes
0answers
1k views

How to remove recovery/default email addresss

Someone has been trying to access my Yahoo Mail account through password recovery. I changed the password, so this is no longer a problem, but as I was going through "I forgot my password" recovery ...
3
votes
0answers
16 views

How do I know if a LastPass One Time Password (OTP) has been used?

I intend to give some LastPass one time passwords to close family. Is there a way to know if a one time password has been used? Is it possible to get an email notification that it was used?
5
votes
2answers
1k views

What does a very long Google verification code mean?

I just received a mostly usual SMS starting with "Your Google verification code is...". Only mostly, however, because: I definitely didn't attempt a new sign in with Google in the last hour. I have ...
0
votes
0answers
33 views

Can the “Suspicious Sign In Prevented” message from Gmail be sent in error?

I have multiple Gmail accounts. There's this particular Gmail account which I have not signed into for a pretty long time. The forwarding address for this Gmail account is set to my MAIN Gmail ...
7
votes
1answer
116 views

How do I check the exposure of my machine to the internet? [closed]

My ISP just sent me over a box ("modem") and now I am online. I am afraid of beeing exposed directly to the internet. How do I check to which level my machine is accessible from the internet?
0
votes
0answers
21 views

How to disable adding the current computer into the list of trusted machines by default?

When I'm logging into GMail on a new computer, at the 2nd step of the 2-step authentication, where it asks for the security code, there is a checkbox for adding the computer into the list of trusted ...
5
votes
1answer
233 views

How does the encryption on Mega work for sharing?

If files sent to Mega is encrypted client-side, how exactly would files be shared without the key being sent through Mega's servers at some point? Does Mega provide some sort of API to allow for an ...
0
votes
1answer
188 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 ...
3
votes
2answers
5k views

Facebook: Remote log out all sessions

How can I see the list of Facebook sessions and remotely log out from all sessions of Facebook?
3
votes
1answer
484 views

YouTube account hacked? Could someone get into my stats and corrupt them?

This is my first question on SuperUser [note: I posted this on StackOverflow, but was informed it was more relevant here; apologies for double posting]. I hope someone can help me. I recently ...
19
votes
4answers
3k views

Does Facebook provide an SSL/TLS interface?

Does Facebook only support HTTP or does it have HTTPS also?
0
votes
0answers
28 views

How to use Qobuz securely?

Is there a way to use the Qobuz website securely? Their website (www.qobuz.com) doesn't seem to support HTTPS, which is amazing in itself. I did try to login and the credentials are posted in plain ...
2
votes
2answers
3k views

How do I get Gmail to stop “detecting suspicious activity” every time I travel?

Every time I travel, Gmail believes there may be suspicious activity as the sign in comes from a different location; I get that. However, it then asks for my password and usually will not recognize ...
4
votes
1answer
4k views

Does Facebook's Suspicious Activity Prevention actively block people?

Facebook just notified me that someone somewhere in Europe accessed my account (or attempted to access it). My gmail account had filters to delete all mail from facebook (because it used to just be ...
2
votes
1answer
2k views

Web based SFTP Client [closed]

Has anyone heard of an online FTP client that supports SFTP? My Web host only allows me to use SFTP, and I often work on computers on which I can't install a desktop SFTP client, or that disallow ...
4
votes
1answer
288 views

What measures does Cognito Forms take to ensure Privacy/ Security Level for Completed Forms/ User Data?

Some forms may contain confidential information - even something basic like where a person lives. What measures do Cognito Forms take to ensure that data stored within its site is secure?
2
votes
1answer
425 views

Gmail “suspicious sign-in attempts” email - legitimate? [duplicate]

I got two emails this week from Gmail, claiming to have prevented "suspicious sign-in attempts" to my account. These emails came from the address: signins.activityalerts@gmail.com (using the name ...
1
vote
2answers
177 views

Gmail unusual activity but no alert

From time to time, I check the Gmail "Last account activity" log. I live in Belgium and mainly use the usual Gmail website. Yesterday, I noticed there was two mobile connections from France, with this ...
0
votes
2answers
29 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 ...
6
votes
0answers
1k views

How is my password sent across when I check Gmail and access a bank site? [closed]

What encryption is used when my password is sent across in Gmail mails and when I do online banking? RSA? DSA? Public-private key encryption? In key encryption, which entity is assigned a ...
4
votes
1answer
817 views

Reading someone else's Gmail inbox if you have their session URL

Is it possible for someone to gain access to my Gmail inbox if they use a link from when I was logged in? I was trying to copy a link from an email in Gmail and accidentally copied the URL in the ...
5
votes
0answers
129 views

Has my outlook.com account been compromised?

When I log in to my outlook.com email account I get this message: Clicking No..., because I did't request a security info change, shows this message: The last two digits match and old number of ...
1
vote
1answer
57 views

Can't set up 2 step authentication on a Google Apps for Business account

I'm having issues setting up 2 step authentication on a Google Apps user account. I've gone to the settings page and normally under the password tile there is the option to setup 2 step auth, but when ...
1
vote
0answers
56 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) ...
2
votes
1answer
715 views

2-step Authentication Facebook - Is it possible to disable SMS codes?

I have Facebook login approvals set up. Is there any way to stop Facebook from sending login codes via SMS? Preferably, I'd like to exclusively use my Google Authenticator app to receive login codes. ...
7
votes
2answers
4k views

Is there a way of disabling Google's password recovery feature?

I have a YouTube channel and it's running under a different Google account to my normal one. I have a secure password with it and alternate e-mail address set up but I thought I'd see how secure the ...
-1
votes
1answer
31 views

What payment process do usabilityhub.com use and is it secure?

I was wondering if anyone can tell me what payment provider (e.g. datacash) usability hub use or if they use their own. This is a shot of their payment flow:
0
votes
0answers
140 views

How to stop a blocked person from seeing my posts,comments, photos and tags on a common friend's timeline

I blocked my friend's bf on my facebook since he's freaking me out; but when she sees her profile as he would; all my pictures, posts and comments on her timeline are visible to him. This isn't ...
8
votes
2answers
731 views

Can I generate backup codes for AWS multi-factor authentication (MFA)?

I'm using multi-factor authentication (MFA) to log into the Amazon AWS console. I'm using Google Authenticator on my Android phone to generate the one-time tokens. Other services sometimes provide ...
0
votes
1answer
561 views

Recover hacked Gmail account where mobile numbers and alternative Gmail were changed [duplicate]

Someone hacked my Gmail account and now I can't access it. The hacker changed my alternative Gmail also, and phone number. Is there any way I might recover my account?
-1
votes
1answer
812 views

How do I allow sign-ins from unusual locations in Google?

I work for a company that provides internet to the users through proxy servers located in the USA and Switzerland, which results in all kinds of inconveniences, of which the most annoying is the fact ...
1
vote
0answers
208 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 ...
0
votes
0answers
12 views

How to see who has recently viewed your Facebook profile? [duplicate]

I've heard a few people say they can see who has viewed their Facebook profile, but I don't want to use any of the Facebook apps that look at personal information or might post to my timeline, I also ...
5
votes
1answer
33k views

Can I see when and where my Facebook account was accessed?

Does Facebook keep records of when I, or someone else, accesses or logs into my account? I want to be able to see the access log from my homepage. My computer was recently stolen and my Facebook was ...
2
votes
1answer
9k views

How to contact Facebook and get IP of last unsuccessful login attempts

My account was recently unsuccessfully accessed, because I received the email about unsuccessful logins attempts and with the link to "go back to Facebook via clicking link". I am concerned who was ...
11
votes
1answer
4k views

How do I protect my Google/Gmail account?

I have seen lots of horror stories of people who have lost control of their Google account, especially Gmail. How can I prevent the same thing from happening to me? What steps can I take to protect ...
1
vote
1answer
56 views

How not to use Google Sync at a particular computer?

Yesterday, I logged in to Google from a rather public computer using Google Chrome to check my emails. As soon as I logged in, a popup window appeared and informed that my bookmarks, passwords, ...
1
vote
1answer
313 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 ...