Author | Lightnews

Christopher Nett @christophernett.com · 10h

Strengthen Your Cybersecurity Posture
🔒 Use Multi-Factor Authentication (MFA)
🔒 Keep systems patched and updated
🔒 Educate employees on social engineering
🔒 Leverage encryption
🔒 Monitor networks for suspicious activity

Proactive security is the best defense! 🛡️ #cybersecurity

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Christopher Nett @christophernett.com · 1d

Stop SQL Injection Attacks:
📊 Use parameterized queries or stored procedures
📊 Validate all user inputs before processing
📊 Employ web application firewalls (WAFs)
📊 Regularly test your apps for vulnerabilities
📊 Monitor database activity for anomalies

🔒 #cybersecurity

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Christopher Nett @christophernett.com · 2d

Protect Sensitive Data with Purview:
🔒 Discover and classify sensitive data automatically
🔒 Monitor data activity for unusual access
🔒 Leverage with Microsoft Information Protection
🔒 Generate compliance reports easily

Protect what matters! #purview

Christopher Nett @christophernett.com · 2d

Stop Cross-Site Scripting (XSS) Attacks:
🌐 Sanitize user inputs to prevent malicious scripts
🌐 Use Content Security Policies (CSPs) for web apps
🌐 Escape special characters in HTML and JavaScript
🌐 Monitor web traffic for unusual activity
🌐 Conduct regular penetration tests

🔒 #cybersecurity

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Christopher Nett @christophernett.com · 3d

Protect secrets in Azure!
✅ Use Azure Key Vault
✅ Enable secret scanning
✅ Rotate secrets regularly
✅ Leverage managed identities
✅ Monitor & log access
✅ Encrypt secrets at rest & in transit
#azure

Christopher Nett @christophernett.com · 3d

🔥 MITRE ATLAS 🔥

MITRE ATLAS is focused on adversary tactics targeting AI systems.

👉 Tactics & Techniques: Covers e.g. data poisoning, evasion, and model exploits.
👉 Case Studies: Real-world examples of attacks and mitigations.
🔗 atlas.mitre.org https://atlas.mitre.org/matrices/ATLAS

Christopher Nett @christophernett.com · 3d

Address Shadow IT Risks
💻 Discover unapproved tools and apps with CASB or scanning
💻 Monitor network activity for unusual usage patterns
💻 Educate employees on risks of unapproved software
💻 Integrate security into the procurement process

Shine a light on shadow IT! 🔦 #cybersecurity

Christopher Nett @christophernett.com · 4d

Optimize Azure DevOps:
⚙️ Setup CI/CD pipelines
⚙️ Use Azure Artifacts for dependencies
⚙️ Implement pull request policies
⚙️ Secure pipelines with secrets management
⚙️ Leverage test plans for quality

Develop smarter, deploy faster! #azure

Christopher Nett @christophernett.com · 4d

Combat Distributed Denial of Service (DDoS) Attacks
🌐 Use a DDoS protection service for mitigation
🌐 Monitor traffic for abnormal spikes
🌐 Distribute workloads across multiple servers
🌐 Enable rate-limiting to prevent abuse

#cybersecurity

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Christopher Nett @christophernett.com · 5d

Optimize Azure Cost Management:
💸 Use Azure Cost Management + Billing
💸 Set budgets to track expenses
💸 Analyze spend with cost analysis
💸 Tag resources for better visibility
💸 Use reserved instances for savings

Save while you scale! 📊 #azure

Christopher Nett @christophernett.com · 5d

Container Security
🐳 Scan container images for vulnerabilities during builds.
🐳 Use secure base images from trusted registries.
🐳 Avoid running containers with root privileges.
🐳 Monitor runtime containers for drift.
🐳 Apply least privilege access.

Container Security! 🔐 #devsecops

Christopher Nett @christophernett.com · 5d

Cyber Threat Intelligence Lifecycle
1️⃣ Collection: Gather threat data
2️⃣ Processing: Filter and structure raw data
3️⃣ Analysis: Derive insights and actionable intelligence
4️⃣ Dissemination: Share findings
5️⃣ Feedback: Continuously refine the process

Turn data into actionable insights! 🔍 #CTI

Christopher Nett @christophernett.com · 6d

Optimize Azure API Management:
🌐 Secure APIs with authentication
🌐 Monitor API usage and health
🌐 Apply rate limiting for protection
🌐 Manage APIs across hybrid environments

APIs done right! 🚀 #azure

Christopher Nett @christophernett.com · 6d

Defend Against Ransomware
🛡️ Backup critical files regularly
🛡️ Use endpoint protection tools
🛡️ Block unauthorized apps
🛡️ Monitor for unusual file activity
🛡️ Educate teams on phishing threats
#cybersecurity

Christopher Nett @christophernett.com · 6d

Defender vs. Adversary: Using MITRE ATT&CK
⚔️ Adversaries exploit known techniques like phishing or lateral movement.
⚔️ Defenders can use ATT&CK to detect those techniques.
⚔️ Red teams execute ATT&CK techniques.
⚔️ Blue teams map alerts to ATT&CK to prioritize responses.
#MITREATTACK

Christopher Nett @christophernett.com · 7d

DevSecOps:
⚙️ DevSecOps integrates security into every stage of the DevOps lifecycle.
⚙️ Shift-left security focuses on early detection and remediation.
⚙️ Automate security checks in CI/CD pipelines.
⚙️ Foster collaboration between developers and security teams.

Build fast, stay secure! 🚀 #DevSecOps

Christopher Nett @christophernett.com · 7d

DNS Security Best Practices
🌐 Enable DNS filtering to block malicious sites
🌐 Use DNSSEC to protect domain integrity
🌐 Monitor DNS traffic for anomalies
🌐 Restrict access to DNS settings
🌐 Use private DNS for internal queries

Protect the backbone of the internet! 🌍 #cybersecurity

Christopher Nett @christophernett.com · 8d

Email Security Best Practices
📧 Enable email filtering to block spam and phishing
📧 Use DKIM, DMARC, and SPF for email authentication
📧 Encrypt emails with end-to-end encryption
📧 Monitor email attachments and links for malware
📧 Train employees to spot phishing emails

🔐 #cybersecurity

Christopher Nett @christophernett.com · 9d

Microsoft Sentinel for Security Insights
🔍 Detect threats with AI-driven analytics
🔍 Correlate data across environments
🔍 Automate response with playbooks
🔍 Investigate incidents
🔍 Scale without infrastructure worries

Proactive security at scale! 🛡️ #azure

Christopher Nett @christophernett.com · 9d

How Threat, Vulnerability, and Risk Interact:
⚡ Threat exploits Vulnerability, creating Risk.
⚡ Mitigation reduces Vulnerabilities, lowering or eliminating Risk.
⚡ Threats cannot be mitigated.
🚦 #cybersecurity

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Christopher Nett @christophernett.com · 10d

Microsoft offers free zero trust assessments to help you evaluate your zero trust security posture for:
🔥Identities
🔥Endpoint
🔥Apps
🔥Infrastructure
🔥Data
🔥Network
Assessment tool: https://www.microsoft.com/en-us/security/business/zero-trust/maturity-model-assessment-tool
#zerotrustsecurity

Christopher Nett @christophernett.com · 10d

Email Security Best Practices
📧 Enable email filtering to block spam and phishing
📧 Use DKIM, DMARC, and SPF for email authentication
📧 Encrypt emails with end-to-end encryption
📧 Monitor email attachments and links for malware
📧 Train employees to spot phishing emails

🔐 #cybersecurity

Christopher Nett @christophernett.com · 10d

DNS Security Best Practices
🌐 Enable DNS filtering to block malicious sites
🌐 Use DNSSEC to protect domain integrity
🌐 Monitor DNS traffic for anomalies
🌐 Restrict access to DNS settings
🌐 Use private DNS for internal queries

Protect the backbone of the internet! 🌍 #cybersecurity

Christopher Nett @christophernett.com · 11d

Master Azure Backup:
⏳ Schedule backups for critical workloads
⏳ Use Recovery Services Vaults
⏳ Test recovery plans
⏳ Enable soft delete for accidental restores
⏳ Monitor health in Azure Monitor

Stay prepared! 💾 #azure

Christopher Nett @christophernett.com · 11d

DevSecOps:
⚙️ DevSecOps integrates security into every stage of the DevOps lifecycle.
⚙️ Shift-left security focuses on early detection and remediation.
⚙️ Automate security checks in CI/CD pipelines.
⚙️ Foster collaboration between developers and security teams.

Build fast, stay secure! 🚀 #DevSecOps