Digitalks #15 - Sicherheit im Netz

Digitalks #15 Sicherheit im Netz Martin Leyrer

Themenübersicht Pestizide Brandmauern Service Wer lauscht mit Krümelmonster Passwörter Vertrauen Temporäre E-Mails Anonym Online Buchtips

http://www.flickr.com/photos/57402879@N00/362127198/

Pestizide (Virenschutz) Schutz vor Viren, Würmern, ... Pflicht für alle E-Mail Lucky Lukes Anbieter mischen Unter Windows eigentlich ein „must have“

http://www.flickr.com/photos/moritzbernoully/3411252063/

Brandmauern (Firewalls) Schützt vor Angriffen „von außen“ ev. auch „von innen“ Intrusion Detection & Prevention (IDS, IPS) ? Werden sehr schnell sehr komplex Pflicht unter Windows

http://www.flickr.com/photos/disaster_area/3640293101/

Service (Aktualisierungen) Pflicht (egal welches Betriebssystem) Anwendungen nicht vergessen (PDF, Flash, Java, Office, …) Am besten automatisieren Tipp für Windows: Secunia Personal Software Inspector

http://www.flickr.com/photos/smoovey/3297533849/

Wer lauscht mit (Verschlüsselung) Im Browser (SSL/TLS) E-Mail Übertragung (SSL/TLS) E-Mail Inhalte (S/MIME oder GNUPG)

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Last year, my novel Makers was published and syndicated free as a series of 81 blog-posts on Tor.com. Tor had the insanely creative people at Idiots' Books produce 81 interlocking, tesselating illustrations, one for each installment, and made a sweet little Flash toy that let you play with making your own meta-illo by moving the tiles around. ... READ CAREFULLY. By reading this email, you agree, on behalf of your employer, to release me from all obligations and waivers arising from any and all NON-NEGOTIATED agreements, licenses, terms-of-service, shrinkwrap, clickwrap, browsewrap, confidentiality, non-disclosure, non-compete and acceptable use policies ("BOGUS AGREEMENTS") that I have entered into with your employer, its partners, licensors, agents and assigns, in perpetuity, without prejudice to my ongoing rights and privileges. You further represent that you have the authority to release me from any BOGUS AGREEMENTS on behalf of your employer. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkwMgeAACgkQkCbbvh/CN6+LDQCgg9F8dQ8AzuqU/fiPo7LNYF4K +C8AniOh2ec0Z/S26UYgmbYvK3J57b+X =fFi4 -----END PGP SIGNATURE-----

http://www.flickr.com/photos/newbirth/4484884179/

Krümelmonster „Normale“ Cookies Flash-cookies (Local Shared Objects, LSO) Ghostery CookieSafe View Cookies BetterPrivacy Adblock Plus

http://www.flickr.com/photos/parmiter/2505803867/

Passwörter „... people can no longer remember passwords good enough to reliably defend against dictionary attacks, and are much more secure if they choose a password too complicated to remember and then write it down.“ - B. Schneier KeePass Password Safe

Vertrauen Sie mir, ich weiß was ich tue!

Vertrauen Delivered-To: leyrer@gmail.com Received: by 10.204.10.132 with SMTP id p4cs3051bkp; Mon, 7 Jun 2010 22:52:17 -0700 (PDT) Received: by 10.231.196.220 with SMTP id eh28mr818375ibb.198.1275976335525; Mon, 07 Jun 2010 22:52:15 -0700 (PDT) Return-Path: <abkor@gci-net.com> Received: from weblinux04.bighost.com.br (weblinux04.bighost.com.br [200.219.245.41]) by mx.google.com with SMTP id f19si7825272ibj.96.2010.06.07.22.52.14; Mon, 07 Jun 2010 22:52:15 -0700 (PDT) Received-SPF: neutral (google.com: 200.219.245.41 is neither permitted nor denied by domain of abkor@gci-net.com) client-ip=200.219.245.41; Authentication-Results: mx.google.com; spf=neutral (google.com: 200.219.245.41 is neither permitted nor denied by domain of abkor@gci-net.com) smtp.mail=abkor@gci-net.com Date: Tue, 8 Jun 2010 02:44:09 +0300 To: <leyrer@gmail.com> From: Facebook <noreply@facebookmail.com> Subject: You have deactivated your Facebook account (56289) Message-ID: <0ddb107362ec20c90100798d78335f1e@www.facebook.com> X-Priority: 3 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: 7bit

Temporäre E-Mail Mailinator http://mailinator.com/ Gmail + [email_address] http://www.flickr.com/photos/cobalt/247564799/

„Anonym“ Online The Onion Routing www.torproject.org/ FoeBuD PrivacyDongle Ubit Wien PrivaSEC forte

http://www.flickr.com/photos/98469445@N00/327471676/

Die Kunst der Täuschung Kevin D. Mitnick ISBN: 3826615697 In Die Kunst der Täuschung dreht sich alles um die Möglichkeit, jemandes Vertrauen mit Lügen zu erschleichen, um dieses Vertrauen dann zum eigenen Spaß und Vorteil zu missbrauchen.

Practical Cryptography Niels Ferguson and Bruce Schneier ISBN: 0471223573 This book is about how to apply the cryptographic functions in a real-world setting in such a way that you actually get a secure system.

Little Brother Cory Doctorow ISBN: 0765319853 Download for Free This book is action-packed with tales of courage, technology, and demonstrations of digital disobedience as the technophile’s civil protest.

Danke für die Aufmerksamkeit! Links: http://delicious.com/MartinLeyrer/Digitalks15 Kontakt: E-Mail: [email_address] Twitter/Identi.ca: leyrer Blog: http://martin.leyrer.priv.at Jabber/GTalk: m3@cargal.org

Digitalks #15 - Sicherheit im Netz