Stack Exchange Network

Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
  1. 0
  2. +0
    • Tour Start here for a quick overview of the site
    • Help Center Detailed answers to any questions you might have
    • Meta Discuss the workings and policies of this site
    • About Us Learn more about Stack Overflow the company
    • Business Learn more about hiring developers or posting ads with us
  3. Log in Sign up
  4. current community

    • Information Security
      help chat
    • Information Security Meta

    your communities

    Sign up or log in to customize your list.

    more stack exchange communities

    company blog
Information Security
  1. Home
    1. Questions
    2. Tags
    3. Users
    4. Unanswered
    5. Jobs
Profile Activity
Meta user
Network profile
Valmiky Arquissandas

Reputation

123
  • 123
  • 118
  • 113
  • 2018
  • 2019
  • 2020
  • 2021

Next privilege

125 Rep.
Vote down

Badges

7

Newest

 Student

Next badge

8/10
Commentator

Impact

~4k
people reached
1 post edited
2 helpful flags
15 votes cast
Summary Answers Questions Tags Badges Bookmarks Bounties Reputation All actions

9 Bookmarks

Votes Activity Newest Views Added
196
votes
4
answers
54k
views

Is a rand from /dev/urandom secure for a login key?

cryptography web-application authentication linux random
May 8 '17 at 11:21 Community♦ 1
174
votes
18
answers
21k
views

What is a good analogy to explain to a layman why passwords should be hashed?

passwords hash
Jul 28 '14 at 11:07 Community♦ 1
141
votes
9
answers
32k
views

Hosting company advised us to avoid PHP for security reasons. Are they right?

php shared-hosting
Jul 25 '16 at 11:30 Community♦ 1
116
votes
15
answers
27k
views

When choosing a numeric PIN, does it help or hurt to make each digit unique?

passwords entropy
Aug 2 at 23:41 northerner 229
109
votes
9
answers
78k
views

Why can we still crack snapchat photos in 12 lines of Ruby?

encryption cryptography appsec mobile
Jul 8 '18 at 7:22 Glorfindel 1,732
78
votes
8
answers
11k
views

Should the sole user of a *nix system have two accounts?

linux macos privileged-account
Nov 4 '16 at 15:19 Community♦ 1
53
votes
4
answers
8k
views

Old OS memory space protection - was it really that bad?

operating-systems memory c
Dec 9 '15 at 14:02 Community♦ 1
16
votes
1
answer
5k
views

What is the best way to manage gpg keys across multiple devices?

encryption
May 26 '18 at 23:32 FilBot3 101
0
votes
1
answer
531
views

learning SSL/TLS [closed]

tls
Jul 13 '14 at 19:32 Community♦ 1
Information Security
  • Tour
  • Help
  • Chat
  • Contact
  • Feedback
  • Mobile
Company
  • Stack Overflow
  • For Teams
  • Advertise With Us
  • Hire a Developer
  • Developer Jobs
  • About
  • Press
  • Legal
  • Privacy Policy
  • Terms of Service
Stack Exchange
Network
  • Technology
  • Life / Arts
  • Culture / Recreation
  • Science
  • Other
  • Stack Overflow
  • Server Fault
  • Super User
  • Web Applications
  • Ask Ubuntu
  • Webmasters
  • Game Development
  • TeX - LaTeX
  • Software Engineering
  • Unix & Linux
  • Ask Different (Apple)
  • WordPress Development
  • Geographic Information Systems
  • Electrical Engineering
  • Android Enthusiasts
  • Information Security
  • Database Administrators
  • Drupal Answers
  • SharePoint
  • User Experience
  • Mathematica
  • Salesforce
  • ExpressionEngine® Answers
  • Stack Overflow em Português
  • Blender
  • Network Engineering
  • Cryptography
  • Code Review
  • Magento
  • Software Recommendations
  • Signal Processing
  • Emacs
  • Raspberry Pi
  • Stack Overflow на русском
  • Code Golf
  • Stack Overflow en español
  • Ethereum
  • Data Science
  • Arduino
  • Bitcoin
  • Software Quality Assurance & Testing
  • Sound Design
  • Windows Phone
  • more (28)
  • Photography
  • Science Fiction & Fantasy
  • Graphic Design
  • Movies & TV
  • Music: Practice & Theory
  • Worldbuilding
  • Video Production
  • Seasoned Advice (cooking)
  • Home Improvement
  • Personal Finance & Money
  • Academia
  • Law
  • Physical Fitness
  • Gardening & Landscaping
  • Parenting
  • more (10)
  • English Language & Usage
  • Skeptics
  • Mi Yodeya (Judaism)
  • Travel
  • Christianity
  • English Language Learners
  • Japanese Language
  • Chinese Language
  • French Language
  • German Language
  • Biblical Hermeneutics
  • History
  • Spanish Language
  • Islam
  • Русский язык
  • Russian Language
  • Arqade (gaming)
  • Bicycles
  • Role-playing Games
  • Anime & Manga
  • Puzzling
  • Motor Vehicle Maintenance & Repair
  • Board & Card Games
  • Bricks
  • Homebrewing
  • Martial Arts
  • The Great Outdoors
  • Poker
  • Chess
  • Sports
  • more (16)
  • MathOverflow
  • Mathematics
  • Cross Validated (stats)
  • Theoretical Computer Science
  • Physics
  • Chemistry
  • Biology
  • Computer Science
  • Philosophy
  • Linguistics
  • Psychology & Neuroscience
  • Computational Science
  • more (10)
  • Meta Stack Exchange
  • Stack Apps
  • API
  • Data
  • Blog
  • Facebook
  • Twitter
  • LinkedIn
  • Instagram

site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. rev 2021.1.25.38392