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Groot-Brittannië? s Digitaal Toezicht: Het verbergen van Haar Majesteit? s? Zwarte Dozen?
Zaterdag, 8 November, 2008 Door Christopher Parsons | http://www.christopher-parsons.com Daar zijn de plannen om op te stellen? zwarte dozen? in het UK ISPs? voorzien van een netwerk hubs zodat de overheid elke website vangen en kan registreren die de Britse burgers bezoeken. Een gelijkaardige verrichting is in volledige schommeling in de Verenigde Staten, waar NSA heeft vastgehaakt omhoog hun? zwarte dozen? aan Amerikaanse Dienstverleners Van Internet? (ISPs) netwerken te vangen? twijfelachtige inhoud? het overgaan door deze netwerken. In tegenstelling tot de Amerikanen, wie onderzoeken slechts twijfelachtige inhoud, is de Britse overheid van plan om een gegevensbestand om de inhoud van alle berichten die overgaan langs hun naties te houden te ontwikkelen? telecommunicatie netwerken. Terwijl deze kwestie onlangs sensationalized in de media is geweest, heb ik om een bron richtend de daadwerkelijke nog te vinden technologieën die (waarschijnlijk) deze zullen drijven? zwarte dozen?. Ik wil die deficiëntie, die aandacht roept aan de Diepe technologieën van het Pakket richten van de Inspectie (DPI) die vermoedelijk van het onderzoeken van, het categoriseren van de oorzaak zullen zijn, en heuristically de evaluatie van de gegevens die over Britse ISPs stromen? netwerken. In dit stuk, wil ik kort verklaren hoe de technologie DPI, zijn technische beperkingen werkt, en wijzen om zijn toezichtbevoegdheden actief te vermijden. Vermijden van dPI-Toegelaten toezicht is essentieel om aan vrij deel te nemen, unsurveyed verhandeling in de eigentijdse digitale milieu's dat de Westelijke burgers zich binnen vinden. Technologieën DPI ISPs is uniek gesitueerd om alle gegevensverkeer te onderzoeken dat hun klanten binnen geïmpliceerdr zijn. ISPs, in tegenstelling tot Google, Yahoo! , of Microsoft, handeling als gateways de individuen waarmoeten overgaan door om tot Internet-bij-Groot toegang te hebben. Aldus, om het even welke poging een individu ruim om te onderzoeken? s de online activiteiten moeten op het iSP-Niveau voorkomen. Terwijl gelijktijdig controlemiljoenen klanten een Herculische taak, of één zouden kunnen schijnen stevig gesitueerd in het koninkrijk van wetenschapsfictie, zijn de verkopers van de voorzien van een netwerkhardware zoals Cisco, l-1, Netwerken Ellacoya, en Netwerken Procera toegenomen tot de uitdaging, veroorzakend apparaten die kunnen onderzoeken, filter, en censorsinhoud in echt - tijd veranderen, aangezien het door ISPs overgaat? netwerken. De pakketten van gegevens die Internet oversteken zijn samengesteld uit twee delen: header en een nuttige lading. Header houdt de algemene het richten informatie? waar het pakket, welke orde het bij zijn bestemming in zou moeten aankomen, etc. gaat. De nuttige lading houdt informatie over de toepassing die het pakket, evenals de bijzondere inhoud van het pakket zelf verzond? in the case of email, each packet holds the address that it should be delivered to, a bit of information that notes that an email application sent the packet, and some of the email?s text. Metaphorically, a packet can be thought of in the terms of postal mail: the header corresponds with the address on the outside of the envelope, and the payload the letter itself. DPI equipment lets ISPs examine the header information as well as the payload. This means that ISPs can examine the text of email, instant messages, cellular phone text messages, and unencrypted Voice over Internet Protocol (VoIP) communications, in real time, as these messages are transmitted. Given the present state of available networking equipment that the world?s networking vendors have made available to the market, I strongly expect that the UK government?s ?Black Boxes? are, in essence, DPI devices that capture data as it moves across UK ISPs? networks, and will transmit the contents of those packets to government databases while analyzing packets? contents to identify if they are carrying ?questionable? payloads. The Effectiveness of DPI The Internet Evolution actually tested DPI equipment provided by Ellacoya and Ipoque earlier this year. In their tests, they found that these vendors? devices could not filter ?unwanted? content 100% of the time ? the applications targeted by the devices continued to function, although at reduced speeds, in spite of the censoring and filtering heuristics that the devices employ. This suggests that attempting to capture unencrypted Voice over Internet Protocol conversations, as an example, will never be fully successful because some packets associated with a conversation will not be correctly identified, captured, and saved in meaningful ways by the UK government?s ?black boxes?. Moreover, and pertaining to the following section, the tests that the Internet Evolution performed suggest that data-encryption strategies can prevent the capture and filtering of data traffic. Evading DPI Surveillance It seems that every day we hear about a new data scandal in the UK; some new database is accidentally leaked, putting the information of hundreds, thousands, or millions of UK citizens at risk of being used for nefarious purposes. The suggestion that all citizens? digitized conversations and online actions be captured and stored by the UK government only heightens worries: what will happen when (not if) this proposed database is breached? How much information will be accessible to criminals? Fortunately, UK citizens can prevent their government?s DPI equipment from ever capturing conversations or online actions, and thus simultaneously limit exposure to the risks of identity theft and ubiquitous government surveillance. A core weakness of DPI equipment is that it cannot read the contents of fully encrypted communications. This means that when you send or receive encrypted data packets that the government?s devices will be unable to capture the contents of your email, your VoIP sessions, or your instant messages. Encryption isn?t something that is terribly hard to set up; Voltage Security has a product that will let Windows users encrypt their sent email at a low annual cost. By default, Skype encrypts its data traffic to prevent surreptitious snooping of your private conversations, actually providing more privacy than talking on the phone. When it turns to instant messaging, there are several open source clients such as Trillian (for Windows) and Adium (for OS X and Linux) that have built-in encryption and compatibility with all major messaging services. Finally, when browsing websites, access the ?https? versions of the sites whenever possible to encrypt data traffic to and from the websites. Why Hide from Her Majesty? You may be asking: why should I bother with this encryption nonsense? I don?t have anything to hide ? as a law-abiding citizen I find it offensive, but not necessary ?dangerous?, that my government is snooping on me. Only criminals have something to hide! The collection and centralization of large amounts of personal data gives criminals a single point that they can attack to access to vast swathes of information about law-abiding citizens. As the UK government persistently demonstrates, it cannot be trusted to secure the citizen data that it holds. By continuing to predominantly send unencrypted messages, you greatly enhance the chances that your personal information could be used to open lines of credit, create phony identification documents, and generally cause mischief in your good name. Encrypting your data, hiding your personal thoughts and communications from the proposed UK ?black boxes?, is essential to prevent your identity being stolen, and ensures that you can continue to engage in free speech without worrying feeling the chilling effects of persistent government surveillance. Protecting your communications isn?t about hiding because you?re a criminal: it?s about limiting criminals from taking advantage of your good name while protecting your enshrined right of free speech. Have Your Say: Britain?s Digital Surveillance: Hiding from Her Majesty?s ?Black Boxes? Please read our posting guidelines before posting. Alternatively you can discuss this report here. 2 Responses to “Britain?s Digital Surveillance: Hiding from Her Majesty?s ?Black Boxes?”
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Its not just Governments that are abusing private communication data.
The other good reason for encrypting and obfuscating your communications is the emerging threat of systems like Phorm / BT Webwise to monitor your communications for marketing.
Currently, as a web site operator or user of a web site, you cannot trust BT to respect the privacy/confidentiality of your communications (and the UK Government/regulators/police have done nothing to enforce communication privacy law).
BT have trialled this system twice already, profiling tens if not hundreds of thousands of people in 2006/7.
The visitors to this site, for example, could be profiled and targeted with ‘relevant’ advertising by BT.
Because its not encrypted BT consider that they have your consent to have your communication intercepted, your creative work copied and sold, and your visitors stripped.
The use of communication data for marketing is a gross privacy intrusion, its mass industrial espionage, and systematic copyright violation.