The hottest Network Security Substack posts right now

And their main takeaways
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Top Technology Topics

The KQL Mysteries: Chapter 6

Rod’s Blog • 416 implied HN points • 22 Jan 24
🕹 Technology Cybersecurity Data Analysis Network Security
  1. Jon discovers that the Night Princess was behind the cyber-attacks on his company, manipulating data, planting false clues, and covering her tracks.
  2. Jon uses KQL skills to investigate the Night Princess's activities by analyzing logon events and network events in the company's database.
  3. Collaboration between the Night Princess, CyberGhost, and DarkAngel in the cyber-attacks surfaces, raising questions about the Night Princess's identity and motives.

Top 10 Cybersecurity Misconfigurations

Resilient Cyber • 179 implied HN points • 15 Oct 23
🕹 Technology Cybersecurity Information Systems Cloud Security Network Security Data Protection
  1. Many data breaches happen because of misconfigurations. This means that fixing these issues is often more important than just finding software vulnerabilities.
  2. Organizations need to regularly update their software and manage user privileges better. This can help prevent attackers from taking advantage of weak points in the system.
  3. Monitoring network activity is crucial. Without it, businesses may not realize they are being attacked and might suffer more damage.

The KQL Mysteries: Chapter 2

Rod’s Blog • 99 implied HN points • 04 Dec 23
🕹 Technology Cybersecurity Data Analysis Network Security
  1. Jon and Sofia used KQL queries to identify and isolate an infected computer in the finance department.
  2. The malware was discovered disguised as a legitimate application, hidden in the Recycle Bin to avoid detection.
  3. Jon and Sofia's discovery of the global financial breach hints at a larger, more sinister threat by a group known as Night Princess.

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.
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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.

Thrunting Grounds

Rhythms of Research • 58 implied HN points • 17 Sep 23
🕹 Technology Threat Detection Cybersecurity Forensics Network Security
  1. Not all observables listed in threat intel reporting should be labeled as 'IOCs', as many of them don't indicate compromise.
  2. The distinction between IOCs and non-IOCs in threat hunting can help make threat intel reports more actionable for organizations.
  3. Differentiating between internally-focused threat detection (IOCs) and externally-focused threat hunting (exothrunting) observables can enhance threat detection efforts.

I fought a DDoS and lived to tell the tale

FunkByteTech • 3 HN points • 03 Jun 24
🕹 Technology Cybersecurity Cloud Computing Web Development Network Security Data Management
  1. Prepare for unexpected challenges like DDoS attacks by having suitable defenses like Web Application Firewalls (WAF) in place.
  2. Stay vigilant and adaptive during a DDoS attack, making use of tools like Load Balancer access logs and being ready to block traffic from unwanted sources.
  3. After facing a DDoS attack, reflect on the experience to learn and improve, reinforcing your defense mechanisms for potential future attacks.

You have tout compris

Venture Prose • 79 implied HN points • 07 Sep 20
🕹 Technology Internet Equipment Network Security Connectivity
  1. In rural areas with poor wired connections, consider coupling your Free.fr Internet subscription with an unlimited 4G plan for better coverage and speed.
  2. Invest in necessary equipment like a 4G router, antenna, loadbalancer, and mesh network to optimize and distribute your 4G connection throughout your home effectively.
  3. Despite the initial investment in equipment, once set up, the cost for an unlimited 4G plan is relatively affordable at 15.99€, offering improved Internet speed and reliability.

The Dark Side of Certificates: Exposing Your Network to Hackers

relaymonkey • 2 HN points • 14 Apr 23
🕹 Technology Network Security Cybersecurity Analysis
  1. Be cautious of the information exposed in TLS/SSL certificates, as it can significantly expand the attack surface for malicious actors.
  2. Utilizing tools like Simple Hostname Discovery (SHD) can help identify potential security risks in the SAN field of certificates.
  3. Prevent misuse of the SAN field in certificates by using dedicated certificates for each hostname, rotating certificates regularly, and implementing SSL certificate pinning for mobile applications.

Enhancing Cybersecurity with Autonomous Moving Target Defense

Phoenix Substack • 1 HN point • 17 Mar 23
🕹 Technology Cybersecurity Automation Deception Network Security
  1. Autonomous Moving Target Defense (AMTD) aims to enhance system security by dynamically changing the attack surface.
  2. AMTD includes proactive cyber defense mechanisms, automation, deception technologies, and intelligent change decisions.
  3. AMTD is crucial in cybersecurity strategies to protect against evolving threats, especially with the increasing adoption of cloud applications.

FengtaiSec Completes 120 Million Yuan B+ Round Financing

CyberSecurityMew • 0 implied HN points • 06 Jun 23
🕹 Technology Cybersecurity Financing Network Security Innovation
  1. FengtaiSec completed a 120 million yuan B+ round financing on June 6, 2023, mainly for strategic layout and technological innovation.
  2. The industrial network security industry in China is advancing rapidly due to innovation and extensive applications in various sectors.
  3. Investors in FengtaiSec highlighted the company's innovation in the industrial security sector and its potential in safeguarding digitalization in industrial settings.

WebRay IPO on China STAR Market today with the stock code "688651."

CyberSecurityMew • 0 implied HN points • 26 Jul 23
💼 Business IPO Cybersecurity Network Security Technology Innovation
  1. WebRay, a leading network security firm in China, had a successful IPO on the Shanghai Stock Exchange's Sci-Tech Innovation Board, with a strong opening on its first day of trading.
  2. WebRay aims to bring order to cyberspace and focus on national security strategies, investing in research and development of network information security.
  3. WebRay is dedicated to offering innovative security products and solutions, aiming to be a growth-oriented and efficient digital network security provider in the new era.

Dataplane.org 2022 Year In Review

Dataplane.org Newsletter • 0 implied HN points • 04 Apr 23
🕹 Technology Data Analysis Network Security Internet Trends Cybersecurity Data Collection
  1. Dataplane.org reflected on 2022 to analyze what went well, improved the website, moved social presence to Mastodon, and boosted backend infrastructure.
  2. Insights from DNS queries revealed top unsolicited queries like www.google.com and common passwords like '123456'.
  3. Dataplane.org is preparing a public archive, planning for tax season, and welcoming donations for continuous availability of Signals data.

让远程浏览器隔离拥抱未来 Embrace the future with RBI｜安全红蓝紫

CyberSecurityMew • 0 implied HN points • 27 Nov 23
🕹 Technology Cybersecurity Network Security Cloud Computing Government Contracts Remote work
  1. The concept of Remote Browser Isolation (RBI) was first developed and deployed in 2010 at the Lawrence Livermore National Laboratory, known as SafeWeb.
  2. RBI technology, integrated into Security Access Service Edge (SASE) framework, helps protect against web-based threats by isolating user web browsing activity from internal networks.
  3. Implementing RBI, as recommended by CISA, is widely accepted as a strategic architecture decision by large organizations dedicated to a zero-trust approach, helping reduce attack surface and enhance cybersecurity.

专题·年度回顾展望 | 2023年国家网络安全总体态势分析与趋势研判

CyberSecurityMew • 0 implied HN points • 04 Feb 24
🕹 Technology Cybersecurity Data security Artificial Intelligence Network Security Digital innovation
  1. The US is intensifying its methods to press China in the tech sector, aiming to block and hunt down Chinese tech.
  2. Foreign hackers, especially those with government backing, target China's key information infrastructure, posing a severe threat to national security.
  3. Illegal cross-border data transfers and underground data trading on the dark web are significant risks for data security.

Breaking Byzantine Fault Tolerance

Coin Metrics' State of the Network • 0 implied HN points • 27 Feb 24
🕹 Technology Blockchain Cryptocurrency Network Security Economic Analysis Market Trends
  1. The Total Cost to Attack (TCA) metric introduced in the research is a valuable tool for assessing the economic viability of potential threats to Bitcoin and Ethereum networks.
  2. Analyzing the economics of potential attacks on blockchain networks highlights significant economic disincentives for attackers, with the costs to compromise Bitcoin ranging from $5B to $20B and Ethereum's cost estimated around $34 billion, proving to be prohibitively high.
  3. The study emphasizes the security mechanisms of major blockchain networks like Bitcoin and Ethereum, indicating a promising future for the cryptocurrency industry amidst market growth.

On testing (EC)DH and (EC)DSA

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 11 Apr 17
🕹 Technology Network Security Cryptography Programming
  1. Validate domain parameters to ensure security in (EC)DSA and (EC)DH. In real-world applications, parameters are typically generated internally or selected from standard options.
  2. In (EC)DSA, if Mallory can manipulate domain parameters, key recovery becomes a potential issue. ECDSA could be vulnerable if the base point and curve are not properly validated.
  3. For (EC)DH security, thorough validation of domain parameters is crucial, especially in scenarios where parameters are chosen by a potentially untrusted source like in SSL handshake.

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.

Cần tuyển nhân viên giám sát an toàn thông tin

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 30 Jul 09
💼 Business Recruitment Technology Programming Network Security Professional development
  1. The job posting is for hiring 2 information security monitoring officers at Dong A Bank in Ho Chi Minh City. Candidates with technical skills in programming, networking, and a passion for overcoming technical challenges are sought after.
  2. The position requires proficiency in various technical areas like discrete mathematics, computer architecture, programming languages, and network programming, with the opportunity for training and career development.
  3. The benefits of the job include competitive salaries based on experience, a friendly and technology-focused work environment that emphasises information security as vital to a company's success, and the chance for advancement and scholarships for further education.

tool kiểm tra dns của bkis có thể trả về kết quả sai

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 26 Jul 08
🕹 Technology DNS Network Security Software Testing
  1. False negative results can be a risk if one DNS cache is patched but another is not, impacting the safety of clients.
  2. A NAT device can unintentionally protect vulnerabilities in DNS caches by causing randomization issues, affecting security tool results.
  3. Simple command line tools may offer more accurate DNS analysis results compared to potentially misleading specialized software, benefiting both regular users and sysadmins.

Dùng iptables NAT thay thế cho reverse proxy

Thái | Hacker | Kỹ sư tin tặc • 0 implied HN points • 17 Jul 07
🕹 Technology Network Security Networking
  1. Consider using iptables NAT as a replacement for reverse proxy to simplify setup and avoid potential issues with complex software like Squid.
  2. Iptables commands like DNAT and SNAT can efficiently redirect traffic between servers based on IP addresses and ports.
  3. Understanding the flow of packets in iptables NAT can help troubleshoot and reroute traffic effectively in case of similar network issues.

Using Google-Managed Certificates and Identity-Aware Proxy With GKE

realkinetic • 0 implied HN points • 24 Jun 20
🕹 Technology Cloud Computing Network Security Kubernetes Identity Management
  1. Google-Managed Certificates in GKE are provisioned, renewed, and managed by Google, simplifying HTTPS setup for your domain.
  2. Identity-Aware Proxy (IAP) in GKE provides zero-trust security, allowing secure access to applications without a VPN based on user identity and context.
  3. Combining GCLB, GCP-managed certificates, and IAP offers a robust solution for serving and securing internal applications in the cloud.

Boosting SASE with Automated Moving Target Defense (AMTD)

Phoenix Substack • 0 implied HN points • 18 Oct 23
🕹 Technology Cybersecurity Network Security Data Protection IT Infrastructure
  1. Automated Moving Target Defense (AMTD) makes it hard for cyber attackers by constantly changing the rules.
  2. AMTD hides vulnerabilities from attackers and reduces the time they spend inside your network.
  3. Integrating AMTD with SASE solutions can reduce attack surface, limit attack time, and strengthen your cybersecurity.

What do you mean there isn't a patch?

Resilient Cyber • 0 implied HN points • 10 Jan 23
🕹 Technology Cybersecurity Software Vulnerabilities Network Security Web applications
  1. Sometimes software has vulnerabilities that don’t have a fix available. Companies might struggle to issue patches due to resource limits or internal priorities.
  2. When a direct patch isn't available, businesses can use virtual patching. This means putting up barriers to stop attacks, like using Web Application Firewalls (WAF).
  3. It's important to plan for virtual patching and keep checking your systems. While virtual patches help, they are temporary solutions, so long-term fixes are necessary.

3 Utilities to Scan Linux for Vulnerabilities

Curious Devs Corner • 0 implied HN points • 12 Jul 24
🕹 Technology Cybersecurity Open Source Network Security
  1. Lynis is a free tool that helps check your Linux system for vulnerabilities and security issues. It runs an audit and gives you a report on things that need attention.
  2. Maltrail helps monitor suspicious network traffic by using lists of known bad IPs and domains. You can set it up to keep an eye on what's coming into your system.
  3. ClamAV is an antivirus program for Linux that detects malware and viruses. It scans your files and can show you any threats it finds, helping keep your system safe.