VeriSign data privacy semantic web

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Data Privacy for data in transit and The Semantic Web: 

Data Privacy for data in transit and The Semantic Web Mike Davies

Data privacy at rest vs in transit: 

Data privacy at rest vs in transit Personal data at rest Stored within a company’s network Personal data in transit Moved either within a public or private network Industry and regulations has focused on the former Rather than the latter

The Semantic Web: 

The Semantic Web The Semantic web will make it easier to get data on any subject from the internet Data privacy will be impacted as the fog of information becomes clearer Fraudsters will use these tools to steal identities by looking at multiple sources ("Phoraging") Where security needs to be applied to protect privacy

SSL – SSL Certificates used externally: 

SSL – SSL Certificates used externally

SSL – SSL Certificates: 

SSL – SSL Certificates SSL – SSL Certificates used Internally MPKI for SSL

How much value to a fraudster is there in data? : 

How much value to a fraudster is there in data? Value of data Consumer interaction With site

So who says where the security line should be? : 

So who says where the security line should be? Privacy line position is very clear Name and Address (email or physical) is personal data Position of Security line depends on following 1) Regional or country Data protection laws i.e. UK data protection act of 1998 2) Best practice in standards i.e. BS 7799, ISO 27001 3) Potential or percieved threat Currently “Potential threat vs value of data vs cost of solution” Should be “Potential brand or equity damage vs cost of solution”

1) Regional or country based Data Protection laws : 

1) Regional or country based Data Protection laws Current laws in Europe all based on EU Privacy Directive and then interpreted by the member states In UK became “Data Protection Act of 1998” Over 8 years old The “dummies guide to DP law” says… “Personal Data should be protected to an appropriate level of security dependant on the potential for and implications of misuse” In 1998 “the Security Line” was drawn the internet has changed a little since then!

1) EU Law based on “Physical world” (Postal Model): 

1) EU Law based on “Physical world” (Postal Model) Online world Physical world DATA PROTECTION STARTS DATA PROTECTION STARTS

1) Regional or country based Data Protection laws : 

1) Regional or country based Data Protection laws Decisions were made on the “postal model” but one major difference Consumer “feels” like they are “in the store” Not reliant on a trusted third party to deliver (i.e. Royal Mail) Even use the term “domain” At best creates a “duty of care” for Site Owner To ensure that customers are safe At least implies that the Site Owner should be worried Brand and equity issues if there is a compromise

2) Best Practice in standards : 

2) Best Practice in standards British Standards BS7799 Dictates best practice for online security Standards only, no legal requirement However very influential in EMEA

2) Best Practice in standards: 

2) Best Practice in standards EU Safe Harbour Standard EU initiative to ensure security when personal data leaves EU “Packets” of data could travel outside of EU On their route over the internet within EU EU Safe Harbour states “Organizations creating, maintaining, using or disseminating personal information must take reasonable precautions to protect it from loss, misuse and unauthorized access, disclosure, alteration and destruction” This could ALONE give us enough reason to say that best practice states that you should encrypt ANY personal data

3) Potential or perceived threat : 

3) Potential or perceived threat Percieved threat to low value personal data is changing Cost of processing power very different to 1998 Potential to build illegal “database” of personal data real Use geo location software to correlate information? “Packet sniffing” Originally used for credit card data Searches all data going into a site for known characteristics No reason why it can’t be used for other data sets Looking for real life examples but could be used for Corporate espionage Spammers Fraud Press Blackmail Burglary

3) Potential or perceived threat - Privacy Policy : 

3) Potential or perceived threat - Privacy Policy

3) Example Threat 1 – Burglary Database: 

3) Example Threat 1 – Burglary Database To: [email protected] From: [email protected] Subject: Brochure request ------------------------------------------------------------------------------------------------------------------------------------------------- Please help!!!! We are looking for a holiday destination for our honeymoon from the 1st October 2006 to 15th October 2006. Can you suggest anywhere? We would also really like to see a printed copy of your brochure or at worse a .pdf we can print out here If .pdf please email to: [email protected] If Physical copy please send to the below address. 111 Main Street, Chiswick, London, W4 1AA, UK Alternatively if you have a representative who can call me to discuss you can get me on 0208 511 7856. Thanks! Mike Davies

3) Example Threat 1 – Similar example in US: 

3) Example Threat 1 – Similar example in US

3) Example threat 2 – Spammers: 

3) Example threat 2 – Spammers To: [email protected] From: [email protected] Subject: Brochure request ------------------------------------------------------------------------------------------------------------------------------------------------- Please help!!!! We are looking for a holiday destination for our honeymoon from the 1st October 2006 to 15th October 2006. Can you suggest anywhere? We would also really like to see a printed copy of your brochure or at worse a .pdf we can print out here If .pdf please email to: [email protected] If Physical copy please send to the below address. 111 Main Street, Chiswick, London, W4 1AA, UK Alternatively if you have a representative who can call me to discuss you can get me on 0208 511 7856. Thanks! Mike Davies Mike

3) Example threat 3 – Government : 

3) Example threat 3 – Government

3) Example threat 4 – Entrepeneurs : 

3) Example threat 4 – Entrepeneurs

Some questions for the ICO: 

Some questions for the ICO Do you feel that companies should protect consumer data in transit? If so, do you think the Data Protection law gives you adequate powers to enforce protecting data in transit?

Data Privacy for data in transit and The Semantic Web: 

Data Privacy for data in transit and The Semantic Web Mike Davies

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