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Browser security depends on establishing the identity of individuals and organizations who wish to transact business over the Internet, and providing them with a secure channel in which to do so. You can manage the security environment provided by Opera through the security preferences.
Set master password
Client certificates, sometimes called personal certificates, are given to you by banks and other secure websites in order to identify you. Since the client certificates stored on your computer are meant to certify your identity, Opera requires you to protect them by setting a master password.
Opera will ask you to set a master password the first time that you install a client certificate. You should select a password that is impossible to guess, and keep it secret. When you want to use your client certificates, Opera will ask you to enter the master password.
To later change the master password, or to set a master password even in the absence of any client certificates, press the button marked "Set Master Password". The master password can be used to protect not just your client certificates, but also your saved passwords.
Ask for password
Once the master password is set, you may adjust the interval at which it is checked. By default, the interval is set to "Every time needed", meaning every time that you need a client certificate, or every time you need a stored password, if you have checked "Use master password to protect saved passwords".
Use master password to protect saved passwords
If you check the box marked "Use master password to protect saved passwords", the master password will be requested every time that you need a stored password, or at the interval set in "Ask for password".
Enable Fraud and Malware Protection
Fraud and Malware Protection warns you about suspicious webpages by checking the page you request against a database of known "phishing" and "malware" websites. It is enabled by default, and can be disabled/enabled by unchecking/checking the box marked "Enable Fraud and Malware Protection".
Press the button marked "Manage Certificates" for an overview of your installed certificates.
- Client certificates identify you during transactions with secure websites
- Certificate Authorities certify the identity of websites
- Intermediate Certificate Authorities certify the identity of websites
- You have approved these certificates, which have security issues
- You have rejected these certificates, which have security issues
Security protocols are used to communicate securely with sites where sensitive data, such as credit card information, is involved.
When you are on sites using security protocols, a yellow security bar will be displayed inside the address field, or a green security bar for sites with Extended Validation (EV). Beside the padlock, the domain name of the certificate is written, while on EV sites, the name of the organization that registered the certificate is given. Click the bar for additional information.
Auto-update is Opera's automatic update mechanism. It can be configured in the following ways:
- Do not check for updates
- You will not be informed about updates to Opera
- Notify me about available updates (default)
- The auto-update dialog informs you about updates to Opera
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