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Python Programming for Security Professionals

Gain in-depth core Python skills: learn file operations, regular expressions, binary data, network services, security & more

GK# 8910

Course Overview

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Geared for experienced security professionals, this class is an introductory, practical, hands-on Python training course that leads the student from the basics of writing and running Python scripts to more advanced features such as file operations, regular expressions, working with binary data, and using the extensive functionality of Python modules. Extra emphasis is placed on features unique to Python, such as tuples, array slices, and output formatting.  This comprehensive, practical course provides an in-depth exploration of working with the programming language, not an academic overview of syntax and grammar.

This course is tailored specifically for Security Analysts and others who wish to use Python functionality for security-related tasks such as log manipulation or forensics. This course, which addresses secure coding practices, is essential for security professionals that are performing security reviews and audits of Python applications or are supporting development teams in implementing better defenses in Python.

Schedule

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  • Delivery Format:
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What You'll Learn

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Working within in an engaging, hands-on learning environment, guided by our expert Python practitioner, students will learn to:

  • Create working Python scripts following best practices
  • Use python data types appropriately
  • Read and write files with both text and binary data
  • Search and replace text with regular expressions
  • Get familiar with the standard library and its work-saving modules
  • Use lesser-known but powerful Python data types
  • Create "real-world", professional Python applications
  • Work with dates, times, and calendars 
  • Know when to use collections such as lists, dictionaries, and sets
  • Understand Pythonic features such as comprehensions and iterators

Outline

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Viewing outline for:

Virtual Classroom Live Outline

Session 1:  An Overview of Python

  • What is python?
  • An overview of Python
  • What is python?
  • Python Timeline
  • Advantages/Disadvantages of Python
  • Getting help with pydoc

 

Session 2:  The Python Environment

  • Starting Python
  • Using the interpreter
  • Running a Python script
  • Python scripts on Unix/Windows
  • Editors and IDEs

 

Session 3:  Getting Started

  • Using variables
  • Builtin functions
  • Strings
  • Numbers
  • Converting among types
  • Writing to the screen
  • Command line parameters

 

Session 4: Flow Control

  • About flow control
  • White space
  • Conditional expressions
  • Relational and Boolean operators
  • While loops
  • Alternate loop exits

 

Session 5: Sequences

  • About sequences
  • Lists and list methods
  • Tuples
  • Indexing and slicing
  • Iterating through a sequence
  • Sequence functions, keywords, and operators
  • List comprehensions
  • Generator Expressions
  • Nested sequences

 

Session 6:  Working with files

  • File overview
  • Opening a text file
  • Reading a text file
  • Writing to a text file
  • Reading and writing raw (binary) data
  • Converting binary data with struct

 

Session 7:  Dictionaries and Sets

  • About dictionaries
  • Creating dictionaries
  • Iterating through a dictionary
  • About sets
  • Creating sets
  • Working with sets

 

Session 8:  Functions

  • Defining functions
  • Parameters 
  • Global and local scope
  • Nested functions
  • Returning values

 

Session 9:  Sorting

  • The sorted() function
  • Alternate keys
  • Lambda functions
  • Sorting collections

 

Session 10:  Errors and Exception Handling

  • Syntax errors
  • Exceptions
  • Using try/catch/else/finally
  • Handling multiple exceptions
  • Ignoring exceptions

 

Session 11:  Modules and Packages

  • The import statement
  • Module search path
  • Creating modules and Using packages
  • Function and Module aliases

 

Session 12:  Classes

  • About o-o programming
  • Defining classes
  • Constructors
  • Methods
  • Instance data
  • Properties
  • Class methods and data

 

Session 13:  Regular Expressions

  • RE syntax overview
  • RE Objects
  • Searching and matching
  • Compilation flags
  • Groups and special groups
  • Replacing text
  • Splitting strings

 

Session 14:  The standard library

  • The sys module
  • Launching external programs
  • The string module
  • Reading CSV data

 

Session 15:  Dates and times

  • Working with dates and times
  • Translating timestamps
  • Parsing dates from text

 

Session 16: Working with the file system

  • Paths, directories, and filenames
  • Checking for existence
  • Permissions and other file attributes
  • Walking directory trees
  • Creating filters with fileinput
  • Security and File Access

 

Session 18: Network services

  • Grabbing web content
  • Detecting Malformed Input

 

Session 19: Writing secure Python applications

  • Parsing command-line options
  • Getting help with pydoc
  • Safely handling untrusted data
  • Managing eval() permissions
  • Potential insecure packages
  • Embedding code snippets in Python
  • Embedding authentication data in Python
  • Potentially dangerous operations:
  • File access
  • Operating system access
  • Calls to external services
  • Called to external data sources
  • Static analysis tools such as Bandit

 

Session 20: Essential, Safe DB Access

  • DB-API
  • ORM with SQLAlchemy
  • Preventing SQL Injection in DB Access
  • Parameterization in DB Interactions

 

Session 21: Log File Analysis

  • Raw log file manipulation
  • Fail2Ban
  • Customizing Fail2Ban with Python

 

Session 22: Security FIlters

  • SQL-Injection Detection
  • ModSecurity CRS filtering

 

Session 23: Packet Analysis

  • Packet Sniffing in Python

 

Session 24: Analytics

  • Security Logging and Analytics
  • Attack Detection and Defense
  • Python and Spark High-Level Overview

Labs

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Virtual Classroom Live Labs

Skills-Focused, Hands-On Learning: This course is about 50% hands-on lab to 50% lecture ratio, combining engaging instructor presentation, demos and practical group discussions with lab intensive, machine-based student exercises. Throughout the course students will learn to write essential Python scripts using the latest technical skills and best practices. Our Python courses include a wide range of complementary materials and labs to ensure all students are appropriately challenged – no matter their incoming skill level. 

Prerequisites

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Students are required to have some basic programming experience and exposure prior to attending this course. Students should have basic development experience in any programming language, along with a working, user-level knowledge of Unix/Linux, Mac, or Windows.

Who Should Attend

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This course is appropriate for advanced users, system administrators and web site administrators who want to use Python to support their server installations, as well as anyone else who wants to automate or simplify common tasks with the use of Python scripts. 

Course Delivery

This course is available in the following formats:

Virtual Classroom Live

Experience expert-led online training from the convenience of your home, office or anywhere with an internet connection.

Duration: 5 day

Request this course in a different delivery format.
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