Archives for posts with tag: security

Last week I attended the third International Cyber Operations Symposium (ICOS) in Amsterdam. The symposium was organised by the Dutch Ministry of Defence, with a mix of military and civilian delegates. The symposium was held under the Chatham House Rule, so I am free to speak about what was said, but cannot attribute it to who said it. The symposium offered an interesting insight into how the military thinks about cyberspace.

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Twitter is deriding the Australian Prime Minister who said that The laws of mathematics are very commendable, but the only law that applies in Australia is the law of Australia. This may seem funny at first sight, but unfortunately this lays bare a very fundamental problem: both sides of the trenches in the current ‘crypto war’ fail (or even flatly refuse) to understand each other.

This (second) crypto war rages over the question whether government should get access to end-to-end encrypted communication between devices and the encrypted data stored on such devices.

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De helft van de internetgebruikers maakt verbinding met onveilig netwerk. Zomaar een berichtje over de gevaren van openbare, niet met een wachtwoord beschermde, WiFi netwerken. Allemaal leuk en aardig, maar al die berichten suggereren dat WiFi netwerken met een wachtwoord, of bekabelde netwerken, wel veilig zouden zijn. Niet is minder waar. Alle internetverbindingen zijn onveilig!
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A big ransomware campaign is raging on the Internet. Updating your computer regularly, and blocking unneeded ports, are a good first line of defence. Backups are an essential second line of defence. However, if you do backups (and that’s unfortunately a big if), you are more than likely doing it wrong. Making your backups useless in case you are hit by ransomware yourself.

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The day before the annual CPDP conference, EDRi (the association of civil and human rights organisations from across Europe) organised Privacy Camp 2017 with a panel on the Internet of Things. Here is a summary.

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Quantum computing research is receiving a huge boost from the European Union. Today a Dutch newspaper mentioned that KPN, a large Dutch telecom operator, is going to secure one of their main links using ‘quantum encryption’ to protect against attacks using such quantum computers. I doubt that is going to help much.

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Email kennen we allemaal. In het icoontje van elk email programma staat een gesloten envelop. En dat is grove leugen. Want email werkt helemaal niet hetzelfde als een brief versturen in een gesloten envelop! Het is eerder vergelijkbaar met het sturen van een briefkaart. De postbodes, of in het geval van email alle tussenliggende computers die de email naar de ontvanger doorsturen, kunnen meelezen.

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