{"id":7033624,"date":"2026-08-08T12:44:02","date_gmt":"2026-08-08T12:44:02","guid":{"rendered":"https:\/\/peraltafinancing.com\/business\/finance\/turn-off-trusted-device-2fa-mfa-bypass-always-log-out-after-using-bank-brokerage-accounts-my-money-blog\/"},"modified":"2026-08-08T12:44:02","modified_gmt":"2026-08-08T12:44:02","slug":"turn-off-trusted-device-2fa-mfa-bypass-always-log-out-after-using-bank-brokerage-accounts-my-money-blog","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=7033624","title":{"rendered":"Turn off Trusted Device 2FA\/MFA Bypass, Always Log Out After Using Bank\/Brokerage Accounts \u2014 My Money Blog"},"content":{"rendered":"


\n<\/p>\n

\n

\"\"<\/p>\n

I came across this r\/FidelityInvestment Reddit post<\/a> today about how a Fidelity user had their account compromised (and also eventually restored). In the discussion about how the hackers might have gained access to the account, I learned about some new dangers. I\u2019m not a security expert, but this is my understanding after reading about \u201cpass the cookie<\/a>\u201d or \u201ccookie hijacking<\/a>\u201d attacks. The FBI also put out this alert Cybercriminals Are Stealing Cookies to Bypass Multifactor Authentication<\/a>.<\/p>\n

First, obviously phishing is a very common attack nowadays, and for example, if you enter your Fidelity password on a website that looks like the Fidelity login page, then they have your password. But if you have 2FA, you are still protected, right?<\/p>\n

A different danger is that malware or a malicious website may use \u201ccookie hijacking\u201d to steal the cookies in your browser that make it appear that you have logged in before. If you use the \u201ctrusted device\u201d feature where they bypass the 2FA\/MFA (2-Factor Authentication\/Multi-Factor Authentication) requirements since you are logging in from a supposedly \u201ctrusted device\u201d, then they can now access your account without needing that text message or Authenticator code.<\/p>\n

In some cases, if you are actively logged into your account already, malware or a malicious website can even steal your \u201cactive session\u201d cookie that makes it appear that you\u2019ve already logged in and passed the authentication checks. Because the website thinks you\u2019ve already logged in, they don\u2019t ask for anything at all.<\/p>\n

Here are some actionable steps to maintain the highest security:<\/p>\n

    \n
  1. Only log into sensitive financial accounts using devices where you know the operating system and web browser are secure and updated.<\/li>\n
  2. Don\u2019t log in from public WiFi, even with https:\/\/. If you do, at least use a VPN.<\/li>\n
  3. Turn off the \u201ctrusted device\u201d feature that removes 2FA or MFA if you are logging in from a \u201ctrusted device\u201d with the proper browser cookie. This is more hassle, but basically you always want to require more than one factor.<\/li>\n
  4. Don\u2019t check the \u201cRemember me\u201d box when you log in on a sensitive site.<\/li>\n
  5. Log in to do your financial business, and then immediately manually click \u201clog out\u201d to delete that active session cookie on both your browser and the external server. Do not stay logged in while you visit other websites, or wait for the system to automatically log you out after 15 minutes or so.<\/li>\n<\/ol>\n

    Turning off the \u201ctrusted device\u201d feature was the last thing I needed to do in order to score an \u201cExcellent\u201d score on my Vanguard security profile as well. \ud83d\ude0e<\/p>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"

    I came across this r\/FidelityInvestment Reddit post today about how a Fidelity user had their account compromised (and also eventually restored). In the discussion about how the hackers might have gained access to the account, I learned about some new dangers. I\u2019m not a security expert, but this is my understanding after reading about \u201cpass […]<\/p>\n","protected":false},"author":1,"featured_media":7033625,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93],"tags":[196859,11074,196860,3767,22811,15313,3605,832,6445,9319],"dealstore":[],"offerexpiration":[],"class_list":["post-7033624","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-finance","tag-2famfa","tag-accounts","tag-bankbrokerage","tag-blog","tag-bypass","tag-device","tag-log","tag-money","tag-trusted","tag-turn"],"yoast_head":"\nTurn off Trusted Device 2FA\/MFA Bypass, Always Log Out After Using Bank\/Brokerage Accounts \u2014 My Money Blog - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=7033624\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Turn off Trusted Device 2FA\/MFA Bypass, Always Log Out After Using Bank\/Brokerage Accounts \u2014 My Money Blog - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"I came across this r\/FidelityInvestment Reddit post today about how a Fidelity user had their account compromised (and also eventually restored). 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