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Lukasz Olejnik Profile picture
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14 Oct, 3 tweets, 4 min read
"Researchers developed a method to deliver a Facebook ad campaign to just one person out of 1.5 billion" "based only on the user’s interests", so on personal data (despite authors claiming otherwise!) . Ultra- targeting. #GDPR #ePrivacy #DigitalServicesAct arxiv.org/pdf/2110.06636…
Such precision is totally identifying and singling out individuals. This is highly privacy invasive. I'm SHOCKED that the researchers and the press describe it as 'without personal data'. Not true! #GDPR #ePrivacy
"4 rarest interests of a user make them unique within a user base in the same order of magnitude as the worldwide population". Such result means that such targeting is bound by regulations. This is shocking! Imressive result. Cost of targeting: 0.12€ #GDPR #ePrivacy

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More from @lukOlejnik

Lukasz Olejnik Profile picture
11 Oct
Our latest paper on technology standardisation is out in @PolicyR! Thanks @teirdes for the fabulous co-op. Some people doubt that values-inspired technology design is possible. We show that not only it is possible, but values already influence technology. policyreview.info/pdf/policyrevi… ImageImageImageImage
"Values" not only guide the building of technologies in aspects such as privacy or cybersecurity, accessibility, freedom of expression, or censorship. There are past examples of political-technology clashes/interventions, too. On-demand decryption or OS changes are examples. ImageImage
"Human, moral, and European values are clearly linked to technology ... We stress that the presence of politics in the technology sphere is already a reality.". True story! With examples from the U.S. and France. Image
Read 8 tweets
Lukasz Olejnik Profile picture
7 Mar
Google doubling-down on their new (hopefully, claimed) privacy-improved proposals for ads systems, Turtledove. What is it? This thing lets to choose the ad to display on the user's device - with no data supposed to leave the user's browser. So no tracking?groups.google.com/a/chromium.org…
The testing environment ('Fledge') have a bit relaxed privacy properties. So let's hope the final solution is more tight with respect to privacy protection. It'q quite a complex proposal. github.com/WICG/turtledov… chromestatus.com/feature/573358…
Solution apparently based (at least it seems so) and builds on the 10+ years of academic privacy research in privacy-preseving ads systems. Initially neglected, today it is fascinating to imagine this niche field suddenly emerge to be multi-billion one. blog.lukaszolejnik.com/are-we-reachin…
Read 4 tweets
Lukasz Olejnik Profile picture
14 Nov 20
Ticketmaster fined £1.25million for security compromise (they were hacked by Magecart group, their website code was altered to steal data during payments), #GDPR breach. ~9.4m customers affected. Payment data stolen, too. ico.org.uk/media/action-w…
Third-party (chatbot provider) was breached. This spilled to Ticketmaster. Had this functionality not included on the payment site, this breach would not happen (this way, at least). Fun fact: ICO decided to enforce PCI-DSS requirements. #GDPR #ePrivacy
Ticketmaster says they were unable to use the standard subresource integrity (blog.lukaszolejnik.com/making-third-p…) to protect their site because the software changed too often (but they did not know how often). "ICO views this measure as an appropriate measure to implement" #GDPR
Read 4 tweets
Lukasz Olejnik Profile picture
15 Oct 19
The Netherlands government published its position on rules applying to security in cyberspace (cyberattacks/cyberwarfare. My short take (the dokument is v. good) government.nl/binaries/gover…
Sovereignty as a matter of rule applies to cyberspace. But it's extent is not clear. Some investigations may (or may not) be breaching sovereignty of other countries.
Apparently links 'election interference on soc media' with 'intervention'. Is a bunch of trolls an intervention into country affairs? No because it does not effect in behavior change in 'targeted state' (who?)? But you can imagine a State leader issuing threats on social media?
Read 6 tweets
Lukasz Olejnik Profile picture
29 May 19
International Committee of the Red Cross releases report on the human cost of cyber operations. What rules exist? Need to expand? I'm proud being part of this (co-author). Threat with analysis. #CyberICRC blogs.icrc.org/law-and-policy…
My analysis of @ICRC report selection. Cyberoperations. What impacts on exploit cost? Why supply chain attacks are a risk? Targeting health care (lethal cyberattacks; can you even detect?), ICS. Armed conflict context. How to move forward? #CyberICRC blog.lukaszolejnik.com/icrc-report-on…
The full report is here. My analysis follows. Report speaks on cyber operations & armed conflict context, where many peacetime assumptions may differ. Supply chain attacks are a risk. Exploit price is driven by specific demand. #CyberICRC icrc.org/en/download/fi…
Read 15 tweets
Lukasz Olejnik Profile picture
26 Mar 19
First #GDPR fine by Polish DPA. 6M records in database. Scrapped from public sources. Not informed data subjects about their rights. 229k EUR fine. Breach of Article 14. Impressive: no particular explanation provided.
English press release related to the first PL #GDPR fine. 6M user data scraped from public registers. Not informed data subjects about their rights. €220k fine. No tech component; purely lawful case. uodo.gov.pl/en/553/1009
Full justification of the #GDPR enforcement here. 220k fine is only one thing. Company has been ordered to inform all the 6M data subjects. Costs might exceed the fine. Full GDPR in action here. uodo.gov.pl/decyzje/ZSPR.4… (via G/translate)
Read 5 tweets

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