Yahoo ad server hacked

There are tons of other juicy tidbits in the indictment. Yet another portion describes how one of the FSB officers paid a non-FSB co-conspirator to break into at least 13 specific Google and other email accounts.

In reality, the email contains a malicious link that tricks you into giving your password to a hacker or secretly installing malware onto your computer. Related: The biggest data breaches ever. Yahoo will send emails to the additional affected accounts. Following the hacking revelations last year, Yahoo required password changes and invalidated unencrypted security questions to protect user information.

According to experts, it's not uncommon for forensic investigations to expose a greater number of victims than initial estimates. He also said that internal investigations might miss something, and outside experts focused on digital forensics will find more than an internal team.

Ben Johnson, chief technology officer at Obsidian Security, says Yahoo may never know exactly what was accessed.

Keeping your account safe is important to us. If you think someone is trying to access or take over your account, there are some important steps you need to take to secure your information. Know the warning signs and what to do if your account has been compromised. Hackers may change the settings in your Yahoo Mail account to disrupt your inbox or get copies of your emails. Check some of the most commonly changed settings to make sure none of your info or preferences were changed without your knowledge.

Keep your account secure - Review our help article for ways you can keep your account safe. You need to have JavaScript enabled to use this page. To enable JavaScript, follow these instructions. Yahoo questions?

Part 2. Tap the Yahoo Mail app, which resembles a white envelope on a purple background. This should open the Yahoo login page. If you're already logged into Yahoo on mobile and the account hack hasn't yet signed you out, skip ahead to securing your account. Tap Yahoo Mail. It's a purple icon on the left side of the screen. Tap the Trouble signing in? You'll find this option near the bottom of the screen.

If prompted to select an existing account, tap the account, then enter the password or, on some iPhones, Touch ID if prompted. If this logs you into your account, skip ahead to securing your account. In the text box in the middle of the screen, type in the phone number or recovery email address you have on file for your Yahoo account.

Tap Continue. It's a blue button near the bottom of the screen. Tap Yes, text me an Account Key for a phone number or Yes, send me an Account Key for a recovery email address, then do the following: Phone number — Open your phone's Messages app, open the text from Yahoo, and review the 8-character code in the message.

Type the verification code you retrieved into the text box in the middle of the screen. It's at the bottom of the screen. Doing so will check your verification code. If you have multiple Yahoo accounts which use your phone number or recovery email address, tap the one you want to recover.

Doing so will log you into the account, from which point you can begin securing your account. Part 3. Open your Yahoo inbox. If your Yahoo inbox doesn't open automatically after changing your password, click Mail in the upper-right corner of the page. Click your name. It's in the upper-right side of the page. A drop-down menu will appear. Click Account Info. This option is in the drop-down menu. Doing so opens a new page with your Yahoo account information listed.

Click Recent activity. It's a tab on the left side of the page. Review your currently signed-in locations. Near the top of the page, you'll see a list of all the locations in which your Yahoo account is logged in.

If your account has been compromised and the attacker is still logged in, you'll see their location listed here. Sign out of unrecognized locations. Click sign out to the right of a location for which you don't think you should be signed in. This will immediately log that location out of your Yahoo account. Click Account security. It's on the left side of the page. If you aren't securing your account immediately after signing back into your compromised Yahoo account, you'll be prompted to enter your email address and password before proceeding.

Enter your phone number. In the pop-up window, type in the phone number that you want to use to set up two-step verification. Click Send SMS. It's at the bottom of the pop-up window. Doing so prompts Yahoo to send a text message to the phone number. If you'd prefer to receive your verification code via a phone call, you can click Call me instead. Open your phone's Messages app, open the text from Yahoo, and review the code in the message.