The hottest Incident Response Substack posts right now

And their main takeaways
Category
Top Technology Topics

Tech Outages: Ep 1: Canva First Strike!

The ZenMode • 42 implied HN points • 31 Jan 25
🕹 Technology Software Infrastructure User Experience Incident Response
  1. Canva experienced a major outage caused by a version update that didn't go as planned. This led to slow loading times and a surge of failed requests, frustrating many users.
  2. A hidden bug within the system contributed to the outage, showing how important it is to monitor and test software carefully. Fixing such bugs can prevent future disruptions.
  3. After the incident, Canva focused on learning from the experience. They improved their system and promised to be more transparent about issues to better serve their users.

Be part of the solution, not part of the problem

Thái | Hacker | Kỹ sư tin tặc • 2256 implied HN points • 17 Oct 23
💼 Business Management Accountability Incident Response Communication Documentation
  1. Notify all stakeholders before making any production changes to avoid becoming part of the problem.
  2. Overcommunicate during a problem by sharing information to involve stakeholders in finding solutions.
  3. Make yourself accountable for mistakes to be a part of the solution and promote learning and improvement.

3 Key Areas for Mitigating Non-Human Identity (NHI) Risks

Resilient Cyber • 39 implied HN points • 24 Jul 24
🕹 Technology Cybersecurity Identity Management Risk management Incident Response Automation
  1. Organizations need to keep track of all non-human identities, like service accounts and API keys. This helps in monitoring and managing security across different systems.
  2. When a third party experiences a security breach, it's crucial to quickly identify which non-human identities are affected. Rapid response can help limit potential damage and keep business running smoothly.
  3. Detecting unusual behavior in non-human identities is key to spotting security threats. Using automated tools can help security teams stay on top of potential risks efficiently.

The Five Layers of Incident Response (Part 1)

Detection at Scale • 59 implied HN points • 21 May 24
🕹 Technology Security Automation Data Detection Incident Response
  1. Detection Engineering involves automating SecOps using software engineering and data principles to enhance defense capabilities without eliminating human roles.
  2. For effective Incident Response, utilize the 'Five Layers of IR': Playbook Management, Data Layer, and Presentation Layer.
  3. The Playbook sets the strategy, Data Layer defines necessary logs for playbooks, and Presentation Layer visualizes alerts and actions for human analysis.
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Microsoft Sentinel SOC 101: How to Detect and Mitigate SQL Injection Attacks with Microsoft Sentinel

Rod’s Blog • 119 implied HN points • 27 Sep 23
🕹 Technology Cybersecurity Cloud Computing Data Analysis Threat Detection Incident Response
  1. SQL injection attacks exploit vulnerabilities in web applications to access sensitive data.
  2. Microsoft Sentinel uses advanced analytics rules and integrates with Defender for SQL to detect and respond to SQL injection attacks effectively.
  3. Organizations can benefit from automated incident response, threat hunting, and incident investigation capabilities in Microsoft Sentinel to mitigate the impact of SQL injection attacks.

Microsoft Sentinel SOC 101: How to Detect and Mitigate Malware Attacks with Microsoft Sentinel

Rod’s Blog • 99 implied HN points • 20 Sep 23
🕹 Technology Security Threat Detection Threat intelligence Incident Response Automation
  1. Malware attacks can result in data breaches, financial losses, and damage to an organization's reputation, underscoring the importance of robust security measures and tools like Microsoft Sentinel.
  2. Microsoft Sentinel offers customizable anomaly detection and User and Entity Behavior Analytics (UEBA) anomalies to identify and respond to potential threats effectively without complex tuning.
  3. Threat intelligence integration, data connectors, and built-in analytics rule templates in Microsoft Sentinel help organizations import, centralize, and leverage threat indicators to proactively detect and respond to malware attacks.

Microsoft Sentinel SOC 101: How to Detect and Mitigate Multiple Microsoft Teams Deleted by a Single User with Microsoft Sentinel

Rod’s Blog • 39 implied HN points • 07 Feb 24
🕹 Technology Security Software Data Management Incident Response Cloud Computing
  1. Use Microsoft Sentinel to detect and respond to multiple Teams deletion events in your organization.
  2. Collect Teams activity logs in Microsoft Sentinel to monitor data and detect security risks.
  3. Write custom analytics rules in Microsoft Sentinel to generate alerts for suspicious activities, such as multiple Teams deletion by a single user.

Microsoft Sentinel SOC 101: How to Detect and Mitigate Man/Adversary-in-the-Middle (MitM/AitM) Attacks with Microsoft Sentinel

Rod’s Blog • 59 implied HN points • 29 Sep 23
🕹 Technology Cybersecurity Network Security Incident Response Machine Learning
  1. Man-in-the-Middle attacks are serious cyber threats that can lead to data breaches and financial loss for organizations.
  2. Microsoft Sentinel is a powerful tool that leverages AI, machine learning, and integration with Microsoft Defender for Endpoint to detect and mitigate Man-in-the-Middle attacks effectively.
  3. Implementing best practices such as using secure communication protocols, regular system updates, multi-factor authentication, and employee training can further enhance network security against Man-in-the-Middle attacks.

Microsoft Sentinel SOC 101: How to Detect and Mitigate Drive-by Download Attacks with Microsoft Sentinel

Rod’s Blog • 59 implied HN points • 04 Oct 23
🕹 Technology Cybersecurity Software Data Analysis Incident Response Network Security
  1. Drive-by download attacks exploit vulnerabilities to download malicious code without user knowledge. They can lead to data breaches and install malware.
  2. Mitigation strategies include user education, enforcing security policies, monitoring network traffic, and using SIEM services like Microsoft Sentinel.
  3. Microsoft Sentinel can help detect drive-by download attacks by collecting relevant data, enriching it, analyzing with rules and ML, visualizing results, and automating incident response.

Vulnerability Disclosure Programs (VDP) and PSIRT's

Resilient Cyber • 79 implied HN points • 18 Dec 22
🕹 Technology Cybersecurity Software Development Vulnerability Management Incident Response Automation
  1. Vulnerability Disclosure Programs (VDP) help software suppliers communicate vulnerabilities to users. Having a clear VDP builds trust and prepares organizations for potential security issues.
  2. A Product Security Incident Response Team (PSIRT) focuses on managing and responding to security issues in products. PSIRTs help organizations effectively analyze vulnerabilities and communicate solutions to their consumers.
  3. Maturity levels for PSIRTs range from basic to advanced, with advanced teams being proactive and integrating security into product development. This approach ensures better security practices and communication throughout the supply chain.

Entrust mis-issues a certificate, Refuses To Follow CA/B Rules

Musings about WebPKI and Public Trust • 8 HN points • 15 Mar 24
🕹 Technology Cybersecurity Certificates Automation Incident Response Web Security
  1. Certificate Authorities can face incidents like misissuance or non-issuance, with misissuances often caused by human error or software bugs.
  2. Baselining Requirements set by the CA/B forum provide rules for dealing with certificate misissuances, including the timeline for revocation.
  3. Entrust's recent incident highlights a misissuance dilemma, where they continued misissuing certificates and refused to follow the proper revocation process, impacting thousands of Extended Validation certificates.

Beyond Alerts: Easing Security Fatigue with Autonomous Moving Target Defense

Phoenix Substack • 14 implied HN points • 05 Feb 24
🕹 Technology Cybersecurity Automation Threat intelligence Incident Response
  1. Moving Target Defense (MTD) can prevent successful attacks by introducing dynamic configurations and variability.
  2. MTD reduces false positives by making it harder for automated scanning tools to generate consistent patterns.
  3. MTD shifts security from reactive to proactive by constantly changing the attack surface and reducing the need for continuous detection.

When Security Goes From Karate Kid to Ghostbusters: Why Waiting for Trouble is Bogus

Phoenix Substack • 0 implied HN points • 04 Nov 24
🕹 Technology Cybersecurity Threat intelligence Incident Response
  1. Putting all your security in one spot is risky. If that one spot fails, everything goes down.
  2. When everyone uses the same security setup, it’s easy for hackers to find and exploit weaknesses. Variety is important to stay safe.
  3. Waiting to react to threats instead of acting first is a bad plan. Being proactive helps you catch problems before they happen.

Incident Management: Alerting

Certo Modo • 0 implied HN points • 20 Apr 23
🕹 Technology Monitoring Alerting Incident Response Metrics Automation
  1. Alerting in incident management notifies the team to respond to production problems promptly based on severity levels.
  2. When setting up alerting mechanisms, consider categorizing alerts into pages for emergencies, tickets for best effort during business hours, and logs that require no response.
  3. Craft actionable alerts by enriching them with context like graphs, log entries, and links to runbooks. Test new alerts thoroughly before directing them to the on-call team.

IC Reform is Great, but Decent Privacy Laws Would Be Even Better

Seriously Risky Business • 0 implied HN points • 15 Jun 23
🕹 Technology Incident Response Cyber Attacks Internet Security Data Privacy
  1. IC reform is important, but decent privacy laws are even more crucial.
  2. The US Intelligence Community needs better policies to protect citizens' privacy and civil liberties regarding Commercially Available Information (CAI).
  3. The focus on improving IC behavior regarding CAI should also extend to federal data privacy legislation to prevent data misuse by law enforcement and foreign adversaries.

Risky Biz News: Congress considers making CSRB permanent and more independent and transparent

Risky Business News • 0 implied HN points • 19 Jan 24
🕹 Technology Cybersecurity Vulnerabilities Malware Incident Response
  1. Congress is considering making the CSRB permanent and more independent and transparent for cybersecurity issues.
  2. Various cybersecurity incidents occurred, such as DDoS attacks in Switzerland and cyberattacks on companies like Kyivstar.
  3. Important developments include new Samsung phones promising 7 years of security updates and Google updating Chrome Incognito Mode text.

How to Generate Microsoft Sentinel Incidents for Testing and Demos

Rod’s Blog • 0 implied HN points • 23 Jan 23
🕹 Technology Cybersecurity Data Analysis Cloud Computing Monitoring Incident Response
  1. Utilize the Microsoft Sentinel Training Lab to enable a demo environment with sample alerts for testing incidents.
  2. Leverage tools like Red Canary's Atomic Red Team and AppLocker Bypass for reproducible security tests mapped to the MITRE ATT&CK framework.
  3. Experiment with generating incidents through actions like cloud shell execution, simulating brute force attacks, utilizing Microsoft Cloud App Security, and creating custom detections in Defender for Endpoints.

Parallel Distributed Shell

Certo Modo • 0 implied HN points • 22 Jun 23
🕹 Technology Operations Incident Response
  1. The parallel distributed shell is a CLI tool helpful for troubleshooting in large-scale systems.
  2. It allows engineers to simultaneously run commands on multiple hosts, offering a 'break-glass' solution.
  3. Various options exist like dsh, pdsh, hyper-shell, and AWS Run Command for managing infrastructure when traditional methods fail.

The RESTRICT Act Is Not About TikTok

Seriously Risky Business • 0 implied HN points • 16 Mar 23
🕹 Technology Cyber Security Legislation Reports Malware Incident Response
  1. The RESTRICT Act is bipartisan legislation aimed at enhancing the US government's ability to address threats from foreign technology companies.
  2. Governments like Australia implement laws for cyber incidents, but it can be controversial due to potential overreach.
  3. Global efforts are being made to combat cybersecurity threats, such as the CISA's Ransomware Vulnerability Warning Pilot program.

Practical Cyber Threat Intel (CTI)

Detection at Scale • 0 implied HN points • 22 Apr 24
🕹 Technology Cybersecurity Threat intelligence Incident Response
  1. Cyber Threat Intelligence (CTI) helps identify malicious actors, active exploits, and ongoing attacks, guiding defenders on potential sources of attacks and hacker strategies.
  2. Tactical CTI involves indicators of compromise (IoCs) within attacker tactics and techniques (TTPs) while operational CTI tracks state-sponsored groups, enhancing detection accuracy and preparation for potential threats.
  3. Best practices for an effective CTI program include tracking prior incidents, using CTI in the context of behaviors, selecting relevant threat feeds, enriching IoCs during data ingestion, and periodically refreshing and updating threat intelligence to maintain effectiveness.

Giám sát an ninh mạng - hay là làm thế nào để ngăn chặn một cuộc tấn công DDoS trong 20'

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 14 Dec 09
🕹 Technology Network Security Data Collection Data Analysis Incident Response
  1. Network security monitoring is crucial for preventing and mitigating DDoS attacks. It involves collecting data, analyzing it, and escalating information.
  2. Human expertise is vital in cybersecurity as machines and standards alone can't fully protect systems.
  3. Continuous monitoring of network security 24/7 is essential, requiring expert personnel and access to data for effective operation.

What do we mean by ‘High Availability’ in the Cloud?

realkinetic • 0 implied HN points • 25 May 23
🕹 Technology Cloud Computing Infrastructure Data Management System Architecture Incident Response
  1. Availability is expressed as a percentage of uptime; higher percentages require substantial investment and multi-team efforts
  2. Achieving high availability in the cloud involves significant costs and considerations like multi-master databases, multi-zonal deployments, and failover testing
  3. Five nines (99.999%) availability is considered the gold standard, but it requires extensive resources, multi-region support, and rigorous infrastructure and data replication

A Crash Course on Incident Response, Part 3

realkinetic • 0 implied HN points • 05 Oct 20
🕹 Technology Incident Response Management Communication Improvement
  1. Conducting high quality retrospectives following incidents is crucial for improving incident response practices by examining real-life incidents.
  2. Facilitate retrospectives effectively by designating a facilitator, ensuring representation from key participants, and maintaining a blameless environment for open discussions.
  3. Creating incident postmortem documents after retrospectives helps in documenting key information, discussing causes, impacts, resolutions, and lessons learned for continuous improvement.

A Crash Course on Incident Response, Part 2

realkinetic • 0 implied HN points • 04 Aug 20
🕹 Technology Incident Response Communication Coordination Operations Process
  1. Designate an incident commander who is calm under pressure and can manage communication effectively. They play a crucial role in incident management.
  2. Choose appropriate coordination mediums like a war room or chat room combined with a conference bridge to effectively communicate and coordinate resources during incidents.
  3. Focus on understanding the problem, identifying solutions, and implementing them quickly and safely. Reviews and retrospectives are vital parts of the incident management process.

A Crash Course on Incident Response, Part 1

realkinetic • 0 implied HN points • 01 Jun 20
🕹 Technology Incident Response Communication Stakeholders Management Training
  1. Incidents are inevitable, but effective incident management practices can help recover quickly and efficiently with minimal stress and impact.
  2. Proper incident management involves clear communication to stakeholders, focusing on reducing stress and unnecessary decisions and engaging the minimum resources needed for resolution.
  3. High-quality incident communication is crucial, including standardized formats, clear titles, severity assessments, impact indicators, and information on engaged teams and next updates.