Sell books & media
Buy books & more
Watchlist
Sign in
All categories
All
x
Category
show all
Books
Computers & Internet
Security
Networks
(315)
Cryptography
(124)
Hacking
(108)
Firewalls
(15)
From
Albrecht Beutelspacher
(12)
Wolfram Gieseke
(9)
Klaus Schmeh
(9)
Anatol Badach
(6)
Claudia Eckert
(6)
Doug Lowe
(6)
Heinrich Kersten
(6)
Markus Kammermann
(6)
unknown
(6)
Peter Schaar
(5)
Bruce Schneier
(4)
Johannes Buchmann
(4)
Wolfgang Däubler
(4)
Edward Snowden
(4)
Gerhard Lienemann
(4)
Marcus Helfrich
(4)
Jörg Schwenk
(4)
Sebastian Klipper
(4)
Peter Kraft
(4)
Ralf Spenneberg
(4)
Condition
Very good
(555)
Good
(399)
Acceptable
(36)
Like new
(20)
Price
€1 - €2
(64)
€2 - €5
(95)
€5 - €10
(169)
€10 - €20
(145)
over €20
(186)
Medium
show all
Paperback
(392)
Bound edition
(231)
Bound
(130)
Audio CD
(4)
CD-ROM
(4)
Other bindings
(3)
DVD-ROM
(1)
Product Bundle
(1)
hardcover
(1)
paperback
(1)
Sonstige+Einbände
(0)
This filter selection is automatically applied to the "Books" category
Language
show all
German
(768)
English
(324)
French
(25)
Spanish
(22)
Italian
(8)
Dutch
(5)
Danish
(2)
Estonian
(1)
Finnish
(1)
Polish
(1)
Swedish
(1)
Turkish
(1)
Home
Books
Computers & Internet
Security
filter (4)
German
Sonstige+Einbände
Security
Only available items
Popularity
Price: ascending
Price: descending
Oldest articles
Latest articles
Popularity
Microsoft Hyper-V: Das Handbuch für Administratoren. Aktuell zu Windows Server 2016
from
Nicholas Dille
Used - very good
Book - Used - very good
New
€69.90
You save €20.41 (29%)
Book
€49.49
You save €20.41 (29%)
New
€69.90
€49.49
Add to watchlist
More Details
Add to Cart
Kryptografie verständlich: Ein Lehrbuch für Studierende und Anwender (eXamen.press)
from
Christof Paar
Used - good
Book - Used - good
New
€39.99
You save €4.50 (11%)
Book
€35.49
You save €4.50 (11%)
New
€39.99
€35.49
Add to watchlist
More Details
Add to Cart
Windows 10 Pannenhilfe XL – Das große Praxisbuch - Probleme erkennen, Lösungen finden, Fehler beheben: mit vielen Insider Tipps und Tricks - komplett in Farbe
from
Wolfram Gieseke
Used - good
Book - Used - good
New
€19.95
You save €13.59 (68%)
Book
€6.36
You save €13.59 (68%)
New
€19.95
€6.36
Add to watchlist
More Details
Add to Cart
Die granulare Gesellschaft: Wie das Digitale unsere Wirklichkeit auflöst
from
Christoph Kucklick
Used - very good
Book - Used - very good
New
€12.00
You save €7.90 (65%)
Book
€4.10
You save €7.90 (65%)
New
€12.00
€4.10
Add to watchlist
More Details
Add to Cart
Codes: Die Kunst der Verschlüsselung. Geschichte - Geheimnisse - Tricks
from
Simon Singh
Used - like new
Book - Used - like new
New
€9.95
You save €0.96 (9%)
Book
€8.99
You save €0.96 (9%)
New
€9.95
€8.99
Add to watchlist
More Details
Add to Cart
Ich glaube, es hackt!: Ein Blick auf die irrwitzige Realität von Computer, Smartphone und IT-Sicherheit
from
Tobias Schrödel
Used - like new
Book - Used - like new
New
€22.99
You save €18.50 (80%)
Book
€4.49
You save €18.50 (80%)
New
€22.99
€4.49
Add to watchlist
More Details
Add to Cart
Der IT Security Manager: Aktuelles Praxiswissen für IT Security Manager und IT-Sicherheitsbeauftragte in Unternehmen und Behörden (Edition kes)
from
Heinrich Kersten
Used - very good
Book - Used - very good
New
€74.99
You save €17.50 (23%)
Book
€57.49
You save €17.50 (23%)
New
€74.99
€57.49
Add to watchlist
More Details
Add to Cart
Datenschutzrecht: Grundlagen und europarechtliche Neugestaltung (Studium und Praxis)
from
Lewinski, Kai von
Used - very good
Book - Used - very good
New
€41.90
You save €9.78 (23%)
Book
€32.12
You save €9.78 (23%)
New
€41.90
€32.12
Add to watchlist
More Details
Add to Cart
Quantum Computing verstehen: Grundlagen – Anwendungen – Perspektiven (Computational Intelligence)
from
Matthias Homeister
Used - very good
Book - Used - very good
New
€34.99
You save €7.50 (21%)
Book
€27.49
You save €7.50 (21%)
New
€34.99
€27.49
Add to watchlist
More Details
Add to Cart
IT-Unternehmensarchitektur: Von der Geschäftsstrategie zur optimalen IT-Unterstützung
from
Wolfgang Keller
Used - very good
Book - Used - very good
New
€49.90
You save €32.91 (65%)
Book
€16.99
You save €32.91 (65%)
New
€49.90
€16.99
Add to watchlist
More Details
Add to Cart
Schwachstellen
from
Yishai Sarid
Used - very good
Book - Used - very good
Book
€11.49
€11.49
Add to watchlist
More Details
Add to Cart
Ein falscher Klick: Hackern auf der Spur: Warum der Cyberkrieg uns alle betrifft - Wie wir uns gegen Angriffe aus dem Internet schützen -
from
Eva Wolfangel
Used - very good
Book - Used - very good
New
€18.00
You save €13.51 (75%)
Book
€4.49
You save €13.51 (75%)
New
€18.00
€4.49
Add to watchlist
More Details
Add to Cart
Klick: Wie wir in einer digitalen Welt die Kontrolle behalten und die richtigen Entscheidungen treffen - Vom Autor des Bestsellers »Bauchentscheidungen«
from
Gerd Gigerenzer
Used - very good
Book - Used - very good
New
€24.00
You save €17.51 (72%)
Book
€6.49
You save €17.51 (72%)
New
€24.00
€6.49
Add to watchlist
More Details
Add to Cart
YouTube Die globale Supermacht: Wie Googles Videoplattform unsere Weltsicht dominiert | Deutsche Ausgabe von »Like, Comment, Subscribe«
from
Mark Bergen
Used - good
Book - Used - good
New
€24.00
You save €19.48 (81%)
Book
€4.52
You save €19.48 (81%)
New
€24.00
€4.52
Add to watchlist
More Details
Add to Cart
PC-Netzwerke: Das umfassende Handbuch für Einsteiger in die Netzwerktechnik. Für Büro und Zuhause. (Ausgabe 2019)
from
Axel Schemberg
Used - very good
Book - Used - very good
New
€29.90
You save €6.41 (21%)
Book
€23.49
You save €6.41 (21%)
New
€29.90
€23.49
Add to watchlist
More Details
Add to Cart
FRITZ!Box: Der umfassende Ratgeber. Über 450 Seiten Know-how und Praxis. Geeignet für alle aktuellen FRITZ!Box-Modelle.
from
Dennis Rühmer
Used - very good
Book - Used - very good
New
€24.90
You save €4.70 (18%)
Book
€20.20
You save €4.70 (18%)
New
€24.90
€20.20
Add to watchlist
More Details
Add to Cart
CompTIA Network+: Computer-Netzwerke verständlich erläutert. Vorbereitung auf die Prüfung N10-008 (mitp Professional)
from
Markus Kammermann
Used - very good
Book - Used - very good
New
€59.99
You save €25.50 (42%)
Book
€34.49
You save €25.50 (42%)
New
€59.99
€34.49
Add to watchlist
More Details
Add to Cart
Geheimsprachen und Kryptographie: Geschichte, Techniken, Anwendungen (Beck'sche Reihe)
from
Albrecht Beutelspacher
Used - very good
Book - Used - very good
New
€9.95
You save €2.32 (23%)
Book
€7.63
You save €2.32 (23%)
New
€9.95
€7.63
Add to watchlist
More Details
Add to Cart
Mindf*ck (Deutsche Ausgabe): Wie die Demokratie durch Social Media untergraben wird
from
Christopher Wylie
Used - very good
Book - Used - very good
New
€24.00
You save €17.01 (70%)
Book
€6.99
You save €17.01 (70%)
New
€24.00
€6.99
Add to watchlist
More Details
Add to Cart
Datenschutzrecht: Datenschutz-Grundverordnung, JI-Richtlinie, Bundesdatenschutzgesetz, Informationsfreiheitsgesetz, Grundrechtecharta, Grundgesetz ... 15. März 2022 (Beck-Texte im dtv)
from
Marcus Helfrich
Used - very good
Book - Used - very good
New
€22.90
You save €8.91 (38%)
Book
€13.99
You save €8.91 (38%)
New
€22.90
€13.99
Add to watchlist
More Details
Add to Cart
Hacking & Security: Das umfassende Handbuch
from
Michael Kofler
Used - very good
Book - Used - very good
New
€49.90
You save €27.91 (55%)
Book
€21.99
You save €27.91 (55%)
New
€49.90
€21.99
Add to watchlist
More Details
Add to Cart
Chefsache Cybersicherheit: Der 360-Grad-Check für Ihr Unternehmen, plus E-Book inside (ePub, mobi oder pdf)
from
Köhler, Thomas R.
Used - good
Book - Used - good
New
€39.95
You save €29.96 (74%)
Book
€9.99
You save €29.96 (74%)
New
€39.95
€9.99
Add to watchlist
More Details
Add to Cart
IT-Sicherheit: Technologien und Best Practices für die Umsetzung im Unternehmen
from
Michael Lang
Used - good
Book - Used - good
New
€39.99
You save €14.00 (35%)
Book
€25.99
You save €14.00 (35%)
New
€39.99
€25.99
Add to watchlist
More Details
Add to Cart
Die ultimative QNAP NAS Bibel - 2. Auflage - Das Praxisbuch - mit vielen Insider Tipps und Tricks - komplett in Farbe
from
Wolfram Gieseke
Used - very good
Book - Used - very good
New
€19.95
You save €8.46 (42%)
Book
€11.49
You save €8.46 (42%)
New
€19.95
€11.49
Add to watchlist
More Details
Add to Cart
Hacking: Der umfassende Praxis-Guide. Inkl. Prüfungsvorbereitung zum CEHv10: Der umfassende Praxis-Guide. Inkl. Prfungsvorbereitung zum CEHv10 (mitp Professional)
from
Eric Amberg
Used - very good
Book - Used - very good
New
€49.99
You save €20.00 (40%)
Book
€29.99
You save €20.00 (40%)
New
€49.99
€29.99
Add to watchlist
More Details
Add to Cart
Verschlüsselte Botschaften
from
Rudolf Kippenhahn
Used - good
Book - Used - good
Book
€4.49
€4.49
Add to watchlist
More Details
Add to Cart
TÜV-Prüfung zum Datenschutzbeauftragten – leicht gemacht –
from
Wolfgang Jacobsen
Used - very good
Book - Used - very good
Book
€6.49
€6.49
Add to watchlist
More Details
Add to Cart
Territorium ist überall: Territorium kann ein physisches oder geistiges Gebiet sein. Wir brauchen Territorien und ihre Grenzen. Aber wo hört die Grenze auf? Wo fängt das Miteinander an?
from
Samy Molcho
Used - very good
Book - Used - very good
New
€22.00
You save €15.01 (68%)
Book
€6.99
You save €15.01 (68%)
New
€22.00
€6.99
Add to watchlist
More Details
Add to Cart
Chiffriermaschinen und Entzifferungsgeräte im Zweiten Weltkrieg: Technikgeschichte und informatikhistorische Aspekte
from
Michael Pröse
Used - good
Book - Used - good
Book
€37.79
€37.79
Add to watchlist
More Details
Add to Cart
Datenschutzrecht: Datenschutz-Grundverordnung, JI-Richtlinie, Bundesdatenschutzgesetz, Informationsfreiheitsgesetz, Grundrechtecharta, Grundgesetz ... 15. Januar 2021 (Beck-Texte im dtv)
from
Marcus Helfrich
Used - very good
Book - Used - very good
New
€21.90
You save €6.41 (29%)
Book
€15.49
You save €6.41 (29%)
New
€21.90
€15.49
Add to watchlist
More Details
Add to Cart
1
2
3
4
5
6
7
8
9
10
26
Next