SlideShare a Scribd company logo
Open Directories
Sensitive data (not) hiding in plain sight
TLP: GREEN
Jan Kopřiva
ALEF CSIRT
jan.kopriva@alef.com
Open Directories
• Timeframe: Q3 2018
• Thousands of open directories analysed
(mostly manually)
• Sensitive data found on 185 domains
Analysis of .CZ a .SK
22%
Personal Data
15%
Highly Sensitive Data
Personal and Highly Sensitive Data
18%
SW/Warez
14%
Audiovisual Content
SW/Warez and Audiovisual Content
23%
Music
9%
e-Books/Audiobooks
Music and e-Books
Photography and Pornography
16%
Photos
5%
Pornography
Passwords and Databases
3%
Passwords
1%
Databases
Hic sunt leones
Results
0,00
5,00
10,00
15,00
20,00
25,00
%
Results
• Contact of affected subjects
– Help from CZ.NIC (and others)
• Quite a lot of sensitive data found
• Good research opportunity for junior analysts
Q&A
Thank you for your attention
TLP: GREEN

More Related Content

More from DefCamp

Economical Denial of Sustainability in the Cloud (EDOS)
Economical Denial of Sustainability in the Cloud (EDOS)Economical Denial of Sustainability in the Cloud (EDOS)
Economical Denial of Sustainability in the Cloud (EDOS)
DefCamp
 
Trust, but verify – Bypassing MFA
Trust, but verify – Bypassing MFATrust, but verify – Bypassing MFA
Trust, but verify – Bypassing MFA
DefCamp
 
Threat Hunting: From Platitudes to Practical Application
Threat Hunting: From Platitudes to Practical ApplicationThreat Hunting: From Platitudes to Practical Application
Threat Hunting: From Platitudes to Practical Application
DefCamp
 
Building application security with 0 money down
Building application security with 0 money downBuilding application security with 0 money down
Building application security with 0 money down
DefCamp
 
Implementation of information security techniques on modern android based Kio...
Implementation of information security techniques on modern android based Kio...Implementation of information security techniques on modern android based Kio...
Implementation of information security techniques on modern android based Kio...
DefCamp
 
Lattice based Merkle for post-quantum epoch
Lattice based Merkle for post-quantum epochLattice based Merkle for post-quantum epoch
Lattice based Merkle for post-quantum epoch
DefCamp
 
The challenge of building a secure and safe digital environment in healthcare
The challenge of building a secure and safe digital environment in healthcareThe challenge of building a secure and safe digital environment in healthcare
The challenge of building a secure and safe digital environment in healthcare
DefCamp
 
Timing attacks against web applications: Are they still practical?
Timing attacks against web applications: Are they still practical?Timing attacks against web applications: Are they still practical?
Timing attacks against web applications: Are they still practical?
DefCamp
 
Tor .onions: The Good, The Rotten and The Misconfigured
Tor .onions: The Good, The Rotten and The Misconfigured Tor .onions: The Good, The Rotten and The Misconfigured
Tor .onions: The Good, The Rotten and The Misconfigured
DefCamp
 
Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...
Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...
Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...
DefCamp
 
We will charge you. How to [b]reach vendor’s network using EV charging station.
We will charge you. How to [b]reach vendor’s network using EV charging station.We will charge you. How to [b]reach vendor’s network using EV charging station.
We will charge you. How to [b]reach vendor’s network using EV charging station.
DefCamp
 
Connect & Inspire Cyber Security
Connect & Inspire Cyber SecurityConnect & Inspire Cyber Security
Connect & Inspire Cyber Security
DefCamp
 
The lions and the watering hole
The lions and the watering holeThe lions and the watering hole
The lions and the watering hole
DefCamp
 
Catch Me If You Can - Finding APTs in your network
Catch Me If You Can - Finding APTs in your networkCatch Me If You Can - Finding APTs in your network
Catch Me If You Can - Finding APTs in your network
DefCamp
 
WiFi practical hacking "Show me the passwords!"
WiFi practical hacking "Show me the passwords!"WiFi practical hacking "Show me the passwords!"
WiFi practical hacking "Show me the passwords!"
DefCamp
 
OSSTMM: The “Measure, Don’t Guess” Security Testing Methodology
OSSTMM: The “Measure, Don’t Guess” Security Testing MethodologyOSSTMM: The “Measure, Don’t Guess” Security Testing Methodology
OSSTMM: The “Measure, Don’t Guess” Security Testing Methodology
DefCamp
 
Year of the #WiFiCactus
Year of the #WiFiCactusYear of the #WiFiCactus
Year of the #WiFiCactus
DefCamp
 
How to Fuzz like a Hacker
How to Fuzz like a HackerHow to Fuzz like a Hacker
How to Fuzz like a Hacker
DefCamp
 
CPU vulnerabilities - where are we now?
CPU vulnerabilities - where are we now?CPU vulnerabilities - where are we now?
CPU vulnerabilities - where are we now?
DefCamp
 
Mobile signaling threats and vulnerabilities - real cases and statistics from...
Mobile signaling threats and vulnerabilities - real cases and statistics from...Mobile signaling threats and vulnerabilities - real cases and statistics from...
Mobile signaling threats and vulnerabilities - real cases and statistics from...
DefCamp
 

More from DefCamp (20)

Economical Denial of Sustainability in the Cloud (EDOS)
Economical Denial of Sustainability in the Cloud (EDOS)Economical Denial of Sustainability in the Cloud (EDOS)
Economical Denial of Sustainability in the Cloud (EDOS)
 
Trust, but verify – Bypassing MFA
Trust, but verify – Bypassing MFATrust, but verify – Bypassing MFA
Trust, but verify – Bypassing MFA
 
Threat Hunting: From Platitudes to Practical Application
Threat Hunting: From Platitudes to Practical ApplicationThreat Hunting: From Platitudes to Practical Application
Threat Hunting: From Platitudes to Practical Application
 
Building application security with 0 money down
Building application security with 0 money downBuilding application security with 0 money down
Building application security with 0 money down
 
Implementation of information security techniques on modern android based Kio...
Implementation of information security techniques on modern android based Kio...Implementation of information security techniques on modern android based Kio...
Implementation of information security techniques on modern android based Kio...
 
Lattice based Merkle for post-quantum epoch
Lattice based Merkle for post-quantum epochLattice based Merkle for post-quantum epoch
Lattice based Merkle for post-quantum epoch
 
The challenge of building a secure and safe digital environment in healthcare
The challenge of building a secure and safe digital environment in healthcareThe challenge of building a secure and safe digital environment in healthcare
The challenge of building a secure and safe digital environment in healthcare
 
Timing attacks against web applications: Are they still practical?
Timing attacks against web applications: Are they still practical?Timing attacks against web applications: Are they still practical?
Timing attacks against web applications: Are they still practical?
 
Tor .onions: The Good, The Rotten and The Misconfigured
Tor .onions: The Good, The Rotten and The Misconfigured Tor .onions: The Good, The Rotten and The Misconfigured
Tor .onions: The Good, The Rotten and The Misconfigured
 
Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...
Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...
Needles, Haystacks and Algorithms: Using Machine Learning to detect complex t...
 
We will charge you. How to [b]reach vendor’s network using EV charging station.
We will charge you. How to [b]reach vendor’s network using EV charging station.We will charge you. How to [b]reach vendor’s network using EV charging station.
We will charge you. How to [b]reach vendor’s network using EV charging station.
 
Connect & Inspire Cyber Security
Connect & Inspire Cyber SecurityConnect & Inspire Cyber Security
Connect & Inspire Cyber Security
 
The lions and the watering hole
The lions and the watering holeThe lions and the watering hole
The lions and the watering hole
 
Catch Me If You Can - Finding APTs in your network
Catch Me If You Can - Finding APTs in your networkCatch Me If You Can - Finding APTs in your network
Catch Me If You Can - Finding APTs in your network
 
WiFi practical hacking "Show me the passwords!"
WiFi practical hacking "Show me the passwords!"WiFi practical hacking "Show me the passwords!"
WiFi practical hacking "Show me the passwords!"
 
OSSTMM: The “Measure, Don’t Guess” Security Testing Methodology
OSSTMM: The “Measure, Don’t Guess” Security Testing MethodologyOSSTMM: The “Measure, Don’t Guess” Security Testing Methodology
OSSTMM: The “Measure, Don’t Guess” Security Testing Methodology
 
Year of the #WiFiCactus
Year of the #WiFiCactusYear of the #WiFiCactus
Year of the #WiFiCactus
 
How to Fuzz like a Hacker
How to Fuzz like a HackerHow to Fuzz like a Hacker
How to Fuzz like a Hacker
 
CPU vulnerabilities - where are we now?
CPU vulnerabilities - where are we now?CPU vulnerabilities - where are we now?
CPU vulnerabilities - where are we now?
 
Mobile signaling threats and vulnerabilities - real cases and statistics from...
Mobile signaling threats and vulnerabilities - real cases and statistics from...Mobile signaling threats and vulnerabilities - real cases and statistics from...
Mobile signaling threats and vulnerabilities - real cases and statistics from...
 

Recently uploaded

Demystifying Knowledge Management through Storytelling
Demystifying Knowledge Management through StorytellingDemystifying Knowledge Management through Storytelling
Demystifying Knowledge Management through Storytelling
Enterprise Knowledge
 
Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
Your One-Stop Shop for Python Success: Top 10 US Python Development ProvidersYour One-Stop Shop for Python Success: Top 10 US Python Development Providers
Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
akankshawande
 
Dandelion Hashtable: beyond billion requests per second on a commodity server
Dandelion Hashtable: beyond billion requests per second on a commodity serverDandelion Hashtable: beyond billion requests per second on a commodity server
Dandelion Hashtable: beyond billion requests per second on a commodity server
Antonios Katsarakis
 
Session 1 - Intro to Robotic Process Automation.pdf
Session 1 - Intro to Robotic Process Automation.pdfSession 1 - Intro to Robotic Process Automation.pdf
Session 1 - Intro to Robotic Process Automation.pdf
UiPathCommunity
 
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
Alex Pruden
 
Must Know Postgres Extension for DBA and Developer during Migration
Must Know Postgres Extension for DBA and Developer during MigrationMust Know Postgres Extension for DBA and Developer during Migration
Must Know Postgres Extension for DBA and Developer during Migration
Mydbops
 
Choosing The Best AWS Service For Your Website + API.pptx
Choosing The Best AWS Service For Your Website + API.pptxChoosing The Best AWS Service For Your Website + API.pptx
Choosing The Best AWS Service For Your Website + API.pptx
Brandon Minnick, MBA
 
5th LF Energy Power Grid Model Meet-up Slides
5th LF Energy Power Grid Model Meet-up Slides5th LF Energy Power Grid Model Meet-up Slides
5th LF Energy Power Grid Model Meet-up Slides
DanBrown980551
 
Skybuffer SAM4U tool for SAP license adoption
Skybuffer SAM4U tool for SAP license adoptionSkybuffer SAM4U tool for SAP license adoption
Skybuffer SAM4U tool for SAP license adoption
Tatiana Kojar
 
PRODUCT LISTING OPTIMIZATION PRESENTATION.pptx
PRODUCT LISTING OPTIMIZATION PRESENTATION.pptxPRODUCT LISTING OPTIMIZATION PRESENTATION.pptx
PRODUCT LISTING OPTIMIZATION PRESENTATION.pptx
christinelarrosa
 
Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |
AstuteBusiness
 
Northern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
Northern Engraving | Modern Metal Trim, Nameplates and Appliance PanelsNorthern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
Northern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
Northern Engraving
 
Taking AI to the Next Level in Manufacturing.pdf
Taking AI to the Next Level in Manufacturing.pdfTaking AI to the Next Level in Manufacturing.pdf
Taking AI to the Next Level in Manufacturing.pdf
ssuserfac0301
 
Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving | Nameplate Manufacturing Process - 2024Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving
 
High performance Serverless Java on AWS- GoTo Amsterdam 2024
High performance Serverless Java on AWS- GoTo Amsterdam 2024High performance Serverless Java on AWS- GoTo Amsterdam 2024
High performance Serverless Java on AWS- GoTo Amsterdam 2024
Vadym Kazulkin
 
Columbus Data & Analytics Wednesdays - June 2024
Columbus Data & Analytics Wednesdays - June 2024Columbus Data & Analytics Wednesdays - June 2024
Columbus Data & Analytics Wednesdays - June 2024
Jason Packer
 
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-EfficiencyFreshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
ScyllaDB
 
Y-Combinator seed pitch deck template PP
Y-Combinator seed pitch deck template PPY-Combinator seed pitch deck template PP
Y-Combinator seed pitch deck template PP
c5vrf27qcz
 
A Deep Dive into ScyllaDB's Architecture
A Deep Dive into ScyllaDB's ArchitectureA Deep Dive into ScyllaDB's Architecture
A Deep Dive into ScyllaDB's Architecture
ScyllaDB
 
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
"Scaling RAG Applications to serve millions of users",  Kevin Goedecke"Scaling RAG Applications to serve millions of users",  Kevin Goedecke
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
Fwdays
 

Recently uploaded (20)

Demystifying Knowledge Management through Storytelling
Demystifying Knowledge Management through StorytellingDemystifying Knowledge Management through Storytelling
Demystifying Knowledge Management through Storytelling
 
Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
Your One-Stop Shop for Python Success: Top 10 US Python Development ProvidersYour One-Stop Shop for Python Success: Top 10 US Python Development Providers
Your One-Stop Shop for Python Success: Top 10 US Python Development Providers
 
Dandelion Hashtable: beyond billion requests per second on a commodity server
Dandelion Hashtable: beyond billion requests per second on a commodity serverDandelion Hashtable: beyond billion requests per second on a commodity server
Dandelion Hashtable: beyond billion requests per second on a commodity server
 
Session 1 - Intro to Robotic Process Automation.pdf
Session 1 - Intro to Robotic Process Automation.pdfSession 1 - Intro to Robotic Process Automation.pdf
Session 1 - Intro to Robotic Process Automation.pdf
 
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...
 
Must Know Postgres Extension for DBA and Developer during Migration
Must Know Postgres Extension for DBA and Developer during MigrationMust Know Postgres Extension for DBA and Developer during Migration
Must Know Postgres Extension for DBA and Developer during Migration
 
Choosing The Best AWS Service For Your Website + API.pptx
Choosing The Best AWS Service For Your Website + API.pptxChoosing The Best AWS Service For Your Website + API.pptx
Choosing The Best AWS Service For Your Website + API.pptx
 
5th LF Energy Power Grid Model Meet-up Slides
5th LF Energy Power Grid Model Meet-up Slides5th LF Energy Power Grid Model Meet-up Slides
5th LF Energy Power Grid Model Meet-up Slides
 
Skybuffer SAM4U tool for SAP license adoption
Skybuffer SAM4U tool for SAP license adoptionSkybuffer SAM4U tool for SAP license adoption
Skybuffer SAM4U tool for SAP license adoption
 
PRODUCT LISTING OPTIMIZATION PRESENTATION.pptx
PRODUCT LISTING OPTIMIZATION PRESENTATION.pptxPRODUCT LISTING OPTIMIZATION PRESENTATION.pptx
PRODUCT LISTING OPTIMIZATION PRESENTATION.pptx
 
Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |Astute Business Solutions | Oracle Cloud Partner |
Astute Business Solutions | Oracle Cloud Partner |
 
Northern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
Northern Engraving | Modern Metal Trim, Nameplates and Appliance PanelsNorthern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
Northern Engraving | Modern Metal Trim, Nameplates and Appliance Panels
 
Taking AI to the Next Level in Manufacturing.pdf
Taking AI to the Next Level in Manufacturing.pdfTaking AI to the Next Level in Manufacturing.pdf
Taking AI to the Next Level in Manufacturing.pdf
 
Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving | Nameplate Manufacturing Process - 2024Northern Engraving | Nameplate Manufacturing Process - 2024
Northern Engraving | Nameplate Manufacturing Process - 2024
 
High performance Serverless Java on AWS- GoTo Amsterdam 2024
High performance Serverless Java on AWS- GoTo Amsterdam 2024High performance Serverless Java on AWS- GoTo Amsterdam 2024
High performance Serverless Java on AWS- GoTo Amsterdam 2024
 
Columbus Data & Analytics Wednesdays - June 2024
Columbus Data & Analytics Wednesdays - June 2024Columbus Data & Analytics Wednesdays - June 2024
Columbus Data & Analytics Wednesdays - June 2024
 
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-EfficiencyFreshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-Efficiency
 
Y-Combinator seed pitch deck template PP
Y-Combinator seed pitch deck template PPY-Combinator seed pitch deck template PP
Y-Combinator seed pitch deck template PP
 
A Deep Dive into ScyllaDB's Architecture
A Deep Dive into ScyllaDB's ArchitectureA Deep Dive into ScyllaDB's Architecture
A Deep Dive into ScyllaDB's Architecture
 
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
"Scaling RAG Applications to serve millions of users",  Kevin Goedecke"Scaling RAG Applications to serve millions of users",  Kevin Goedecke
"Scaling RAG Applications to serve millions of users", Kevin Goedecke
 

Open Directories: Sensitive data (not) hiding in plain sight