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Security is more critical than ever with new computing environments in the cloud and expanding access to the internet. There are a number of security protection mechanisms available for MongoDB to ensure you have a stable and secure architecture for your deployment. We'll walk through general security threats to databases and specifically how they can be mitigated for MongoDB deployments. Topics will include general security tools and how to configure those for MongoDB, an overview of security features available in MongoDB, including LDAP, SSL, x.509 and Authentication.
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Lead Security Engineer, MongoDB
Andreas Nilsson
Creating a single view:Securing the Application
How can we make data accessible securely?
Securing the Application: Agenda
Securing a Database Access Control
Data Protection Auditing
The Art of Securing a System
“If you know the enemy and know yourself,
you need not fear the result of a hundred battles.
If you know yourself but not the enemy,
for every victory gained you will also suffer a defeat.
If you know neither the enemy nor yourself,
you will succumb in every battle.”
Sun Tzu, The Art of War 500 BC
Timeline
Plan and design security as early as possible.
ImplementDesign Test Deploy
YES! NO!
Designing the Infrastructure
Access Control
Configure Authentication and Authorization.
ImplementDesign Test Deploy
Enable Access Control
Design
• Determine which types of users exist in the system.
• Match the users to MongoDB roles. Create any
customized roles.
Deployment
• Start/restart MongoDB with access control enabled.
• Create the desired users.
MongoDB configuration
Authentication - Who are you in MongoDB?
• Application user, administrator, backup job,
monitoring agent.
Authorization - What can you do in MongoDB?
• CRUD operations, configure the database,
manage sharding, user management.
Enable Authentication
Built-in authentication methods
• Password challenge response
• x.509 certificates
Or integrate with existing authentication
infrastructure
Role Based Access Control
Builtin roles
• read, readWrite, dbAdmin, clusterAdmin, root, etc..
User defined roles
• Customized roles based on existing roles and
privileges.
Internal Authentication
Server-server authentication use shared keyfile
or x.509.
Field Level Redaction - $redact
$redact
• New aggregation framework operator
• Conditionally filter user documents
Use cases
• Implement user-based document level, content
filtering.
• Create egress filter, redacting sensitive information.
Access Control - Field Level Redaction
Note: Need to understand the application better
Data Protection
Encrypting data in transit (SSL) and data at rest.
ImplementDesign Test Deploy
Data Protection End to End
Transport Encryption with SSL
• Possible to protect client-server, server-server
communications with SSL.
• Support for commercially and internally issued x.509
certificates
• Possible to run the server in FIPS 140-2 mode.
• Support for mixed SSL and non-SSL clusters.
Data Protection - Transport EncryptionEncrypt communications (SSL)
Authenticate connections (x.509)
Data Protection - Encryption at rest
Alternatives
• Encrypt data client side
• Use partner solution for file and OS level encryption
Security Auditing
The Audit Log
• Security events can be written to either the console,
the syslog
or a file (JSON/BSON)
• By default, all security events are written to audit
log when enabled.• Events include Authentication failures and some
commands.
• Access control is not required for auditing.• They are separate components.
Audit Log Properties
• Can filter based off of different criteria– Action Type, TimeFrame, IP Address/Port, Users
• Events Have Total Order Per Connection
• Audit Guarantees (AKA Writes/config)– Audit event written to disk BEFORE writing to the
journal– A write will not complete before it has been
audited
Some final tips…
Some tips along the way…
1. Do not directly expose database servers to the
Internet
2. Design and configure access control
3. Enable SSL
4. Disable any unnecessary interfaces
5. Lock down database files and minimize account
privileges
What did we talk about?
Securing a Database Access Control
Data Protection Auditing
Next steps
• MongoDB Security Manual -
http://docs.mongodb.org/manual/core/security-introduction
/
• MongoDB Security Whitepaper -
http://info.mongodb.com/rs/mongodb/images/MongoDB_Se
curity_Architecture_WP.pdf
Lead Security Engineer, MongoDB
Andreas Nilsson
#MongoDBWorld
Thank You