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Accessibility/Security

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RDA

Resources

Semantic web

Accessibility

"An accessible site is one that removes obstacles that get in people's way; removing the obstacle overcomes the disability." (Nielsen and Loranger, 2006)

Making content acessible

• accessibility is a legal requirement
• good keywords
• findable by search engines
• write in plain english but like RDA write things out in full
• keep simple
• plan for all users
• create information that can be used for audio -  provide text descriptions for images
• make text resizable
• use reliable and valid links
• headings and lists
• use universal formatting
• describe graphics and multimedia

Security

• important to protect data integrity
• user confidentiallity and protection

Protect against

• phishing -  pretending to be an orgaisation to get personal information
• spoofing- pretending to be a legitimate user to gain snesitive information
• trojans - code to distrupt a network or website usually hidden inside a known program
• virus -  attaches to files and is spreadsheet
• worms -  does not remove data but moves from computer to computer
• spyware -  gathers information about users will they use the web
• Denial of service (DoS) if there is a security breach

Use the following to protect

• antivirus software
• encryption
• firewalls
• login and passwords
• diligence