Podcast
Questions and Answers
Which element in HTML5 is used as a grouping of content, e.g. chapters or tabbed pages?
Which element in HTML5 is used as a grouping of content, e.g. chapters or tabbed pages?
- (correct)
What does the 'autoplay' attribute in HTML5 video element indicate to the browser?
What does the 'autoplay' attribute in HTML5 video element indicate to the browser?
- Start downloading the video file as soon as the page loads and play it automatically as soon as possible (correct)
- Download the video file only when the user clicks play
- Download the video file but wait for user interaction to start playing
- Prompt the user to allow video autoplay
Which HTML5 element is used for multimedia content and supports audio and video natively?
Which HTML5 element is used for multimedia content and supports audio and video natively?
- (correct)
What is the purpose of the element in HTML5?
What is the purpose of the element in HTML5?
Which HTML5 element is used to define self-contained content, such as a blog post or a newspaper article?
Which HTML5 element is used to define self-contained content, such as a blog post or a newspaper article?
What is the purpose of the element in HTML5?
What is the purpose of the element in HTML5?
What is the purpose of the TOR network?
What is the purpose of the TOR network?
Which type of web is accessible only to those who use TOR software?
Which type of web is accessible only to those who use TOR software?
What was the significant feature of the Stuxnet worm?
What was the significant feature of the Stuxnet worm?
Which company experienced a significant breach involving credit card users' data?
Which company experienced a significant breach involving credit card users' data?
What is the main characteristic of the Invisible Web?
What is the main characteristic of the Invisible Web?
What is the purpose of Onion routing in the TOR network?
What is the purpose of Onion routing in the TOR network?
What type of cyber attack involves using altered versions of viruses?
What type of cyber attack involves using altered versions of viruses?
Which type of attack involves denying access to files and demanding ransom payments?
Which type of attack involves denying access to files and demanding ransom payments?
What is a common vulnerability in web security related to user credentials?
What is a common vulnerability in web security related to user credentials?
Which notorious international group is responsible for major cyber attacks?
Which notorious international group is responsible for major cyber attacks?
What method involves using spam emails to gain control of accounts?
What method involves using spam emails to gain control of accounts?
What type of attack involves automated trial and error to guess user credentials?
What type of attack involves automated trial and error to guess user credentials?
What feature of HTML5 supports complex graphical operations and animations within the browser?
What feature of HTML5 supports complex graphical operations and animations within the browser?
Which HTML5 feature allows users to share their physical location with web applications?
Which HTML5 feature allows users to share their physical location with web applications?
What aspect of HTML5 is crucial due to the high prevalence of vulnerabilities in websites?
What aspect of HTML5 is crucial due to the high prevalence of vulnerabilities in websites?
Which HTML5 feature is particularly popular for game development?
Which HTML5 feature is particularly popular for game development?
What does HTML5 provide for consistent user experience across browsers and devices, including mobile?
What does HTML5 provide for consistent user experience across browsers and devices, including mobile?
Which HTML5 capability enables more efficient, faster-loading web pages and mobile optimization features like touch events?
Which HTML5 capability enables more efficient, faster-loading web pages and mobile optimization features like touch events?
What is Diceware used for?
What is Diceware used for?
What did Bill Burr regret recommending in the NIST 2003 password guidelines?
What did Bill Burr regret recommending in the NIST 2003 password guidelines?
What is the primary defense mechanism to stop Cross-site scripting (XSS)?
What is the primary defense mechanism to stop Cross-site scripting (XSS)?
How can mitigations for XSS be achieved?
How can mitigations for XSS be achieved?
What is the primary purpose of JSON with Padding (JSONP)?
What is the primary purpose of JSON with Padding (JSONP)?
What does Injection attacks, including SQL/LDAP/XPATH/SOAP/JSON Injection, occur due to?
What does Injection attacks, including SQL/LDAP/XPATH/SOAP/JSON Injection, occur due to?
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Study Notes
Web Security Threats and Solutions
- Diceware is a method for creating secure passphrases by rolling a dice to select words from a list of 7,776 English words.
- Bill Burr, the original author of NIST 2003 password guidelines, regrets recommending passwords with uppercase and lowercase letters, numbers, special characters, and a minimum of 8 characters.
- Session prediction/hijacking involves impersonating a website user by compromising their session ID or cookies.
- Cross-site scripting (XSS) is a vulnerability in web applications that allows attackers to inject client-side scripts and bypass access controls.
- Contextual output encoding/escaping is the primary defense mechanism to stop XSS, but many web applications still rely on session cookies for authentication.
- Mitigations for XSS include tying session cookies to the user's IP address and using the HttpOnly flag to prevent client-side scripts from accessing cookies.
- Browser and plugin vulnerabilities, such as Java/ActiveX/Flash/Acrobat, can enable various attacks and need to be patched by vendors.
- Clickjacking is a method used by malicious individuals to trick users into clicking on invisible iframes positioned above clickable buttons on a website.
- Injection attacks, including SQL/LDAP/XPATH/SOAP/JSON Injection, occur when an application does not properly validate user input.
- JavaScript Hijacking allows unauthorized attackers to read confidential data from a vulnerable application by bypassing the Same Origin Policy using a dynamic script tag.
- Search worms automate finding vulnerable web servers by sending carefully crafted queries to search engines, evading common detection methods.
- JSON with Padding (JSONP) is a way to bypass the same-origin policy by using JSON in combination with the script tag, allowing the execution of information from the server.
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