Debugging in Python: How to Find and Fix Your Mistakes
Syntax errors, logic errors and exceptions, plus print statements, debuggers and a word on AI coding assistants.
Posts by Tag
- python 7
- grc 5
- automation 4
- beginners 4
- nist csf 3
- network security 3
- career change 2
- risk 2
- gap assessment 2
- linux 2
- cheatsheet 2
- incident response 2
- debugging 2
- log analysis 2
- introduction 1
- learning 1
- ai governance 1
- risk register 1
- scoring 1
- bash 1
- command line 1
- cisa 1
- risk management 1
- supply chain 1
- vulnerability assessment 1
- patching 1
- penetration testing 1
- wireshark 1
- packets 1
- ip 1
- tcpdump 1
- packet capture 1
- logs 1
- siem 1
- log formats 1
- loops 1
- firewalls 1
- segmentation 1
- waf 1
- regex 1
- strings 1
- devsecops 1
- files 1
- parsing 1
- data classification 1
- asset management 1
- pii 1
- business continuity 1
- disaster recovery 1
python
Working with Files in Python: Reading Logs Like a Security Analyst
Opening, reading, writing and parsing files, then building a script that flags accounts with repeated failed logins.
Automating Security Tasks with Python: Putting It All Together
Login timeouts, suspicious-login tracking and failed-password monitoring: three security scripts built from the basics.
Python Strings for Beginners: A Security Analyst’s Toolkit
Indices, slices, len(), str(), concatenation and string methods, with a sample device ID as the running example.
Python Cheat Sheet: Security Automation
Everything from Course 7 of the Google Cybersecurity Certificate in one place: conditionals, loops, functions, regex, files, parsing and debugging.
Learning Python, Week Three: I Stopped Typing the Same Line Four Times
For loops, while loops, range(), break and continue, and the three mistakes I kept making.
Why Your Computer Doesn’t Speak English (and Why That’s Actually Great News for You)
Programming is just giving instructions. Here’s why Python is the friendliest way to do it, and why security people should care.
grc
Business Continuity and Disaster Recovery: Planning for When Things Go Wrong
Where continuity and recovery plans fit in protecting an organization, what goes into each, and how they differ.
Data and Asset Classification: Not All Information Is Created Equal
Public, private, sensitive and confidential: how the four data types map to low- and high-level assets, and why classification tells you where to focus.
Inside the NIST CSF Assessment: Assessment Types, Scoring, and the Actual Workflow
Self vs. third-party assessments, how 106 subcategory scores roll up into one number, and the eight-step workflow behind it all.
Building My First NIST CSF 2.0 Gap Assessment: What Actually Goes Into One
Maturity tiers, asset inventories, risk registers and remediation roadmaps, explained through a fictional wealth management firm.
From Law School to Compliance to Cybersecurity: How I Got Here
Ten years in law and finance didn’t derail this path. It built the foundation for it.
automation
Automating Security Tasks with Python: Putting It All Together
Login timeouts, suspicious-login tracking and failed-password monitoring: three security scripts built from the basics.
Python Cheat Sheet: Security Automation
Everything from Course 7 of the Google Cybersecurity Certificate in one place: conditionals, loops, functions, regex, files, parsing and debugging.
Learning Python, Week Three: I Stopped Typing the Same Line Four Times
For loops, while loops, range(), break and continue, and the three mistakes I kept making.
Why Your Computer Doesn’t Speak English (and Why That’s Actually Great News for You)
Programming is just giving instructions. Here’s why Python is the friendliest way to do it, and why security people should care.
beginners
Debugging in Python: How to Find and Fix Your Mistakes
Syntax errors, logic errors and exceptions, plus print statements, debuggers and a word on AI coding assistants.
Python Strings for Beginners: A Security Analyst’s Toolkit
Indices, slices, len(), str(), concatenation and string methods, with a sample device ID as the running example.
Learning Python, Week Three: I Stopped Typing the Same Line Four Times
For loops, while loops, range(), break and continue, and the three mistakes I kept making.
Why Your Computer Doesn’t Speak English (and Why That’s Actually Great News for You)
Programming is just giving instructions. Here’s why Python is the friendliest way to do it, and why security people should care.
nist csf
The NIST Cybersecurity Framework, Explained Simply (For Anyone Running a Commercial Facility)
A plain-English summary of CISA’s framework guidance for commercial facilities: the threats, the three building blocks, and the seven-step cycle.
Inside the NIST CSF Assessment: Assessment Types, Scoring, and the Actual Workflow
Self vs. third-party assessments, how 106 subcategory scores roll up into one number, and the eight-step workflow behind it all.
Building My First NIST CSF 2.0 Gap Assessment: What Actually Goes Into One
Maturity tiers, asset inventories, risk registers and remediation roadmaps, explained through a fictional wealth management firm.
network security
Network Security 101: Locks, Rooms, and Guards
Firewalls, network segmentation and web application firewalls, explained with no tech degree required.
I Finally Understand tcpdump: A Beginner’s Notes from My First Packet Capture Lab
Interfaces, verbose captures, saving pcap files and reading raw bytes: tcpdump explained one flag at a time.
I’m Learning to Read Network Packets, and I Think It’s a Must-Learn Skill
IPv4 vs. IPv6 headers, my first Wireshark display filters, and why packet analysis is worth learning early.
career change
Why I Switched Bootcamps: A Lesson in Learning What You Actually Need
How comparing syllabuses like term sheets led me to the right program, and to a simple formula that reframed risk for me.
From Law School to Compliance to Cybersecurity: How I Got Here
Ten years in law and finance didn’t derail this path. It built the foundation for it.
risk
Inside the Vulnerability Assessment: How Organizations Find and Fix Their Weak Spots
The four-step process (identification, analysis, risk assessment, remediation) that keeps organizations ahead of attackers.
Why I Switched Bootcamps: A Lesson in Learning What You Actually Need
How comparing syllabuses like term sheets led me to the right program, and to a simple formula that reframed risk for me.
gap assessment
Inside the NIST CSF Assessment: Assessment Types, Scoring, and the Actual Workflow
Self vs. third-party assessments, how 106 subcategory scores roll up into one number, and the eight-step workflow behind it all.
Building My First NIST CSF 2.0 Gap Assessment: What Actually Goes Into One
Maturity tiers, asset inventories, risk registers and remediation roadmaps, explained through a fictional wealth management firm.
linux
I Finally Understand tcpdump: A Beginner’s Notes from My First Packet Capture Lab
Interfaces, verbose captures, saving pcap files and reading raw bytes: tcpdump explained one flag at a time.
Learning Bash Felt Like Learning a New Language — Because It Is One
My beginner’s Bash cheatsheet: navigation, files, searching, piping, users, and permissions.
cheatsheet
Python Cheat Sheet: Security Automation
Everything from Course 7 of the Google Cybersecurity Certificate in one place: conditionals, loops, functions, regex, files, parsing and debugging.
Learning Bash Felt Like Learning a New Language — Because It Is One
My beginner’s Bash cheatsheet: navigation, files, searching, piping, users, and permissions.
incident response
Business Continuity and Disaster Recovery: Planning for When Things Go Wrong
Where continuity and recovery plans fit in protecting an organization, what goes into each, and how they differ.
Why Your Computer’s “Diary” Matters More Than You Think: A Beginner’s Guide to Logs
What logs are, why overlogging hurts, and how to read the five formats you’ll see most: JSON, syslog, XML, CSV and CEF.
debugging
Debugging in Python: How to Find and Fix Your Mistakes
Syntax errors, logic errors and exceptions, plus print statements, debuggers and a word on AI coding assistants.
Python Cheat Sheet: Security Automation
Everything from Course 7 of the Google Cybersecurity Certificate in one place: conditionals, loops, functions, regex, files, parsing and debugging.
log analysis
Working with Files in Python: Reading Logs Like a Security Analyst
Opening, reading, writing and parsing files, then building a script that flags accounts with repeated failed logins.
Automating Security Tasks with Python: Putting It All Together
Login timeouts, suspicious-login tracking and failed-password monitoring: three security scripts built from the basics.
introduction
From Law School to Compliance to Cybersecurity: How I Got Here
Ten years in law and finance didn’t derail this path. It built the foundation for it.
learning
Why I Switched Bootcamps: A Lesson in Learning What You Actually Need
How comparing syllabuses like term sheets led me to the right program, and to a simple formula that reframed risk for me.
ai governance
Why I Switched Bootcamps: A Lesson in Learning What You Actually Need
How comparing syllabuses like term sheets led me to the right program, and to a simple formula that reframed risk for me.
risk register
Building My First NIST CSF 2.0 Gap Assessment: What Actually Goes Into One
Maturity tiers, asset inventories, risk registers and remediation roadmaps, explained through a fictional wealth management firm.
scoring
Inside the NIST CSF Assessment: Assessment Types, Scoring, and the Actual Workflow
Self vs. third-party assessments, how 106 subcategory scores roll up into one number, and the eight-step workflow behind it all.
bash
Learning Bash Felt Like Learning a New Language — Because It Is One
My beginner’s Bash cheatsheet: navigation, files, searching, piping, users, and permissions.
command line
Learning Bash Felt Like Learning a New Language — Because It Is One
My beginner’s Bash cheatsheet: navigation, files, searching, piping, users, and permissions.
cisa
The NIST Cybersecurity Framework, Explained Simply (For Anyone Running a Commercial Facility)
A plain-English summary of CISA’s framework guidance for commercial facilities: the threats, the three building blocks, and the seven-step cycle.
risk management
The NIST Cybersecurity Framework, Explained Simply (For Anyone Running a Commercial Facility)
A plain-English summary of CISA’s framework guidance for commercial facilities: the threats, the three building blocks, and the seven-step cycle.
supply chain
The NIST Cybersecurity Framework, Explained Simply (For Anyone Running a Commercial Facility)
A plain-English summary of CISA’s framework guidance for commercial facilities: the threats, the three building blocks, and the seven-step cycle.
vulnerability assessment
Inside the Vulnerability Assessment: How Organizations Find and Fix Their Weak Spots
The four-step process (identification, analysis, risk assessment, remediation) that keeps organizations ahead of attackers.
patching
Inside the Vulnerability Assessment: How Organizations Find and Fix Their Weak Spots
The four-step process (identification, analysis, risk assessment, remediation) that keeps organizations ahead of attackers.
penetration testing
Inside the Vulnerability Assessment: How Organizations Find and Fix Their Weak Spots
The four-step process (identification, analysis, risk assessment, remediation) that keeps organizations ahead of attackers.
wireshark
I’m Learning to Read Network Packets, and I Think It’s a Must-Learn Skill
IPv4 vs. IPv6 headers, my first Wireshark display filters, and why packet analysis is worth learning early.
packets
I’m Learning to Read Network Packets, and I Think It’s a Must-Learn Skill
IPv4 vs. IPv6 headers, my first Wireshark display filters, and why packet analysis is worth learning early.
ip
I’m Learning to Read Network Packets, and I Think It’s a Must-Learn Skill
IPv4 vs. IPv6 headers, my first Wireshark display filters, and why packet analysis is worth learning early.
tcpdump
I Finally Understand tcpdump: A Beginner’s Notes from My First Packet Capture Lab
Interfaces, verbose captures, saving pcap files and reading raw bytes: tcpdump explained one flag at a time.
packet capture
I Finally Understand tcpdump: A Beginner’s Notes from My First Packet Capture Lab
Interfaces, verbose captures, saving pcap files and reading raw bytes: tcpdump explained one flag at a time.
logs
Why Your Computer’s “Diary” Matters More Than You Think: A Beginner’s Guide to Logs
What logs are, why overlogging hurts, and how to read the five formats you’ll see most: JSON, syslog, XML, CSV and CEF.
siem
Why Your Computer’s “Diary” Matters More Than You Think: A Beginner’s Guide to Logs
What logs are, why overlogging hurts, and how to read the five formats you’ll see most: JSON, syslog, XML, CSV and CEF.
log formats
Why Your Computer’s “Diary” Matters More Than You Think: A Beginner’s Guide to Logs
What logs are, why overlogging hurts, and how to read the five formats you’ll see most: JSON, syslog, XML, CSV and CEF.
loops
Learning Python, Week Three: I Stopped Typing the Same Line Four Times
For loops, while loops, range(), break and continue, and the three mistakes I kept making.
firewalls
Network Security 101: Locks, Rooms, and Guards
Firewalls, network segmentation and web application firewalls, explained with no tech degree required.
segmentation
Network Security 101: Locks, Rooms, and Guards
Firewalls, network segmentation and web application firewalls, explained with no tech degree required.
waf
Network Security 101: Locks, Rooms, and Guards
Firewalls, network segmentation and web application firewalls, explained with no tech degree required.
regex
Python Cheat Sheet: Security Automation
Everything from Course 7 of the Google Cybersecurity Certificate in one place: conditionals, loops, functions, regex, files, parsing and debugging.
strings
Python Strings for Beginners: A Security Analyst’s Toolkit
Indices, slices, len(), str(), concatenation and string methods, with a sample device ID as the running example.
devsecops
Automating Security Tasks with Python: Putting It All Together
Login timeouts, suspicious-login tracking and failed-password monitoring: three security scripts built from the basics.
files
Working with Files in Python: Reading Logs Like a Security Analyst
Opening, reading, writing and parsing files, then building a script that flags accounts with repeated failed logins.
parsing
Working with Files in Python: Reading Logs Like a Security Analyst
Opening, reading, writing and parsing files, then building a script that flags accounts with repeated failed logins.
data classification
Data and Asset Classification: Not All Information Is Created Equal
Public, private, sensitive and confidential: how the four data types map to low- and high-level assets, and why classification tells you where to focus.
asset management
Data and Asset Classification: Not All Information Is Created Equal
Public, private, sensitive and confidential: how the four data types map to low- and high-level assets, and why classification tells you where to focus.
pii
Data and Asset Classification: Not All Information Is Created Equal
Public, private, sensitive and confidential: how the four data types map to low- and high-level assets, and why classification tells you where to focus.
business continuity
Business Continuity and Disaster Recovery: Planning for When Things Go Wrong
Where continuity and recovery plans fit in protecting an organization, what goes into each, and how they differ.
disaster recovery
Business Continuity and Disaster Recovery: Planning for When Things Go Wrong
Where continuity and recovery plans fit in protecting an organization, what goes into each, and how they differ.