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Revue de presse francophone :
- Appaloosa AppDome nouent un partenariat pour accompagner les entreprises dans le déploiement et la protection des applications mobiles
- D-Link offre une avec un routeur VPN sans fil AC
- 19 mai Paris Petit-Déjeuner Coreye Développer son business à l'abri des cyberattaques
- POYNTING PRESENTE LA NOUVELLE ANTENNE OMNI-291, SPECIALE MILIEU MARITIME, CÔTIER ET MILIEU HUMIDE
- Flexera Software Les utilisateurs français de PC progressent dans l'application de correctifs logiciels, mais des défis de tailles subsistent
- Riverbed lance SD-WAN basé sur le cloud
- Fujitsu multi-récompensé VMware lui décerne plusieurs Partner Innovation Awards à l'occasion du Partner Leadership Summit
- Zscaler Private Access sécuriser l'accès à distance en supprimant les risques inhérents aux réseaux privés virtuels
- QNAP annonce la sortie de QTS 4.2.1
- Une enquête réalisée par la société de cyber sécurité F-Secure a décelé des milliers de vulnérabilités graves, potentiellement utilisables par des cyber criminels pour infiltrer l'infrastru
- Trouver le juste équilibre entre une infrastructure dédiée et cloud le dilemme de la distribution numérique
- 3 juin - Fleurance - Cybersécurité Territoires
- Cyber-assurances Seules 40 pourcents des entreprises françaises sont couvertes contre les violations de sécurité et les pertes de données
- Des étudiants de l'ESIEA inventent CheckMyHTTPS un logiciel qui vérifie que vos connexions WEB sécurisées ne sont pas interceptées
- Les produits OmniSwitch d'Alcatel-Lucent Enterprise ALE gagnent en sécurité pour lutter contre les cyber-attaques modernes

Dernier articles de SecuObs :
- DIP, solution de partage d'informations automatisée
- Sqreen, protection applicative intelligente de nouvelle génération
- Renaud Bidou (Deny All): "L'innovation dans le domaine des WAFs s'oriente vers plus de bon sens et d'intelligence, plus de flexibilité et plus d'ergonomie"
- Mises à jour en perspective pour le système Vigik
- Les russes ont-ils pwn le système AEGIS ?
- Le ministère de l'intérieur censure une conférence au Canada
- Saut d'air gap, audit de firmware et (in)sécurité mobile au programme de Cansecwest 2014
- GCHQ: Le JTRIG torpille Anonymous qui torpille le JTRIG (ou pas)
- #FIC2014: Entrée en territoire inconnu
- Le Sénat investit dans les monnaies virtuelles

Revue de presse internationale :
- VEHICLE CYBERSECURITY DOT and Industry Have Efforts Under Way, but DOT Needs to Define Its Role in Responding to a Real-world Attack
- Demand letter served on poll body over disastrous Comeleak breach
- The Minimin Aims To Be The Simplest Theremin
- Hacking group PLATINUM used Windows own patching system against it
- Hacker With Victims in 100 Nations Gets 7 Years in Prison
- HPR2018 How to make Komboucha Tea
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- FBI Director Suggests iPhone Hacking Method May Remain Secret
- 2016 Hack Miami Conference May 13-15, 2016
- 8-bit Video Wall Made From 160 Gaming Keyboards
- In An Era Of Decline, News Sites Can t Afford Poor Web Performance
- BeautifulPeople.com experiences data breach 1m affected
- Swedish Air Space Infringed, Aircraft Not Required
- Why cybercriminals attack healthcare more than any other industry
- Setting the Benchmark in the Network Security Forensics Industry

Annuaire des videos
- FUZZING ON LINE PART THREE
- Official Maltego tutorial 5 Writing your own transforms
- Official Maltego tutorial 6 Integrating with SQL DBs
- Official Maltego tutorial 3 Importing CSVs spreadsheets
- install zeus botnet
- Eloy Magalhaes
- Official Maltego tutorial 1 Google s websites
- Official Maltego tutorial 4 Social Networks
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- backdoor linux root from r57 php shell VPS khg crew redc00de
- How To Attaque Pc With Back Track 5 In Arabique
- RSA Todd Schomburg talks about Roundup Ready lines available in 2013
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Revue Twitter
- RT @fpalumbo: Cisco consistently leading the way ? buys vCider to boost its distributed cloud vision #CiscoONE
- @mckeay Looks odd... not much to go on (prob some slideshow/vid app under Linux)
- [SuggestedReading] Using the HTML5 Fullscreen API for Phishing Attacks
- RT @BrianHonan: Our problems are not technical but cultural. OWASP top 10 has not changed over the years @joshcorman #RSAC
- RT @mikko: Wow. Apple kernels actually have a function called PE_i_can_has_debugger:
- [Blog Spam] Metasploit and PowerShell payloads
- PinkiePie Strikes Again, Compromises Google Chrome in Pwnium Contest at Hack in the Box: For the second time thi...
- @mikko @fslabs y'all wldn't happen to have lat/long data sets for other botnets, wld you? Doing some research (free/open info rls when done)
- RT @nickhacks: Want to crash a remote host running Snow Leopard? Just use: nmap -P0 -6 --script=targets-ipv6-multicast-mld #wishiwaskidding
- An inexpensive proxy service called is actually a front for #malware distribution -

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Top bi-hebdo des articles de SecuObs
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- USBDumper 2 nouvelle version nouvelles fonctions !
- EFIPW récupère automatiquement le mot de passe BIOS EFI des Macbook Pro avec processeurs Intel
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Top bi-hebdo de la revue de presse
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Top bi-hebdo de l'annuaire des videos
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Top bi-hebdo de la revue Twitter
- RT @secureideas: I believe that all the XSS flaws announced are fixed in CVS. Will test again tomorrow if so, release 1.4.3. #BASESnort
- Currently, we do not support 100% of the advanced PDF features found in Adobe Reader... At least that's a good idea.
- VPN (google): German Foreign Office Selects Orange Business for Terrestrial Wide: Full
- @DisK0nn3cT Not really, mostly permission issues/info leak...they've had a couple of XSS vulns but nothing direct.
- Swatting phreaker swatted and heading to jail: A 19-year-old American has been sentenced to eleven years in pris..
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- Origami pour forger, analyser et manipuler des fichiers PDF malicieux

A technical summary of the Usenix fingerprinting paper

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A technical summary of the Usenix fingerprinting paper

Par The Tor Blog blogs
Le [2015-08-02] à 11:03:43



Présentation : Albert Kwon, Mashael AlSabah, and others have a paper entitled Circuit Fingerprinting Attacks Passive Deanonymization of Tor Hidden Services at the upcoming Usenix Security symposium in a few weeks. Articles describing the paper are making the rounds currently, so I'm posting a technical summary here, along with explanations of the next research questions that would be good to answer. I originally wrote this summary for Dan Goodin for his article at Ars Technica. Also for context, remember that this is another research paper in the great set of literature around anonymous communication systems you can read many more at http freehaven.net anonbib . This is a well-written paper. I enjoyed reading it, and I'm glad the researchers are continuing to work in this space. First, for background, run don't walk to Mike Perry's blog post explaining why website fingerprinting papers have historically overestimated the risks for users https blog.torproject.org blog critique-website-traffic-fingerprinting... and then check out Marc Juarez et al's followup paper from last year's ACM CCS that backs up many of Mike's concerns http freehaven.net anonbib ccs2014-critical To recap, this new paper describes three phases. In the first phase, they hope to get lucky and end up operating the entry guard for the Tor user they're trying to target. In the second phase, the target user loads some web page using Tor, and they use a classifier to guess whether the web page was in onion-space or not. Lastly, if the first classifier said yes it was , they use a separate classifier to guess which onion site it was. The first big question comes in phase three is their website fingerprinting classifier actually accurate in practice They consider a world of 1000 front pages, but ahmia.fi and other onion-space crawlers have found millions of pages by looking beyond front pages. Their 2.9pourcents false positive rate becomes enormous in the face of this many pages and the result is that the vast majority of the classification guesses will be mistakes. For example, if the user loads ten pages, and the classifier outputs a guess for each web page she loads, will it output a stream of She went to Facebook She went to Riseup She went to Wildleaks while actually she was just reading posts in a Bitcoin forum the whole time Maybe they can design a classifier that works well when faced with many more web pages, but the paper doesn't show one, and Marc Juarez's paper argues convincingly that it's hard to do. The second big question is whether adding a few padding cells would fool their is this a connection to an onion service classifier. We haven't tried to hide that in the current Tor protocol, and the paper presents what looks like a great classifier. It's not surprising that their classifier basically stops working in the face of more padding though classifiers are notoriously brittle when you change the situation on them. So the next research step is to find out if it's easy or hard to design a classifier that isn't fooled by padding. I look forward to continued attention by the research community to work toward answers to these two questions. I think it would be especially fruitful to look also at true positive rates and false positives of both classifiers together, which might show more clearly or not that a small change in the first classifier has a big impact on foiling the second classifier. That is, if we can make it even a little bit more likely that the is it an onion site classifier guesses wrong, we could make the job of the website fingerprinting classifier much harder because it has to consider the billions of pages on the rest of the web too.

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