TecLeads TecLeads Blog

TecLeads Blog

DevOps, DevSecOps, cloud, security, QA, and AI, made practical.

馃搷 Tech Pulse 路 today's quick question 馃煝 Level: Basic Networking

What does a VPN mainly provide?

Pick an answer to see how other engineers voted.

Wall of dense source code on a dark screen
2026-07-23 路 7 min read

Log4Shell Still Breaches Companies Through Forgotten Software

Log4Shell still works because teams patch what they can see. Here is how to find hidden Log4j and handle an actively exploited Cisco Unified CM flaw.

Code projected across a security analyst's face
2026-07-22 路 6 min read

Cloud Security Gaps Attackers Actually Use

Cloud security gaps hide between identity, network controls, logging, and recovery. This guide shows how to find and close them before an attacker does.

Two people shaking hands over a laptop
2026-07-21 路 6 min read

Your Cloud Bill Is an Architecture Review in Disguise

Cloud bills expose architecture decisions that invoices hide, and FinOps turns that spend into engineering feedback teams can use without slowing down delivery.

Dimly lit developer workstation with code on screen
2026-07-20 路 7 min read

Trivy Works Best When You Stop Treating Every Scan the Same

Trivy can scan source, infrastructure code, secrets, and the built image, but useful results depend on where you run it and what you choose to block first.

Robotic hand reaching toward a network of connected points
2026-07-19 路 6 min read

GPT-5.6 Is Worth Testing Before You Trust It

GPT-5.6 looks built for tool-heavy work, but the useful move is a production-shaped shadow test before changing the default model in your stack this week.

Robotic hand reaching toward a network of connected points
2026-07-18 路 7 min read

RAG That Works Starts Before the Prompt

Most RAG failures are retrieval failures wearing an LLM costume. Here is how to fix chunking, ranking, citations, and evaluation before tuning prompts.

Developer typing on a backlit keyboard in a dark room
2026-07-17 路 9 min read

SBOMs Are Receipts, Not Supply Chain Security

SBOMs help, but they only become useful when builds are signed, provenance is verified, and deployment policy can actually say no.

Code projected across a security analyst's face
2026-07-16 路 8 min read

The Penetration Test Report You Can Actually Use

A useful pentest report gives owners proof, paths, fixes, and priorities they can act on before the next alert becomes incident response work.

Hands typing code on a laptop keyboard
2026-07-15 路 10 min read

Modernize the Monolith While It Is Still Running

A practical path for modernizing a legacy monolith by cutting controlled seams, improving APIs, and shipping changes while production keeps moving.

Developer typing on a backlit keyboard in a dark room
2026-07-14 路 9 min read

Zero Trust Is Not a Product You Install on Friday

Zero trust works when engineers turn access, identity, logging, and recovery into boring controls that survive real incidents.

Technician patching cables in a network rack
2026-07-13 路 9 min read

Patch CVE-2026-20230 before your phone system helps attackers

CVE-2026-20230 is in CISA KEV with ransomware use, so Cisco Unified CM belongs at the front of your patch queue this week.

Close-up of a network switch with patch cables
2026-07-07 路 9 min read

Patch CVE-2026-20262 before your SD-WAN becomes the beachhead

CVE-2026-20262 is in CISA KEV, tied to ransomware use, and worth treating as an exposure problem before it becomes incident response.

Wall of dense source code on a dark screen
2026-07-05 路 10 min read

CVE-2026-21643 Is a Front Door Problem

FortiClient EMS exposure is the kind of edge risk attackers love, because one missed patch can turn remote access into incident response.

Developer typing on a backlit keyboard in a dark room
2026-07-04 路 4 min read

Ransomware Readiness: Controls That Actually Stop It

Backups are the comfortable part of ransomware planning. The controls that actually stop it work earlier: identity, the edge, segmentation, and speed.

Technician patching cables in a network rack
2026-07-03 路 4 min read

Unpatched Control Panels Are a Front Door for Attackers

CVE-2026-41940 put cPanel and WHM on CISA's exploited list. The lesson is bigger than one bug: internet-facing admin panels deserve hour-level patch SLAs.

Aisle between dark server cabinets in a modern data center
2026-07-02 路 4 min read

Cloud Security Posture: Gaps Attackers Still Find

Cloud breaches rarely start with clever exploits. They start with a forgotten public bucket, an overprivileged role, and an alert nobody tuned.

Engineering team collaborating around a table
2026-07-01 路 4 min read

Internal Developer Experience Is a Competitive Edge

Time how long a new service takes to reach production in your org. That number is your real developer experience, and it drives delivery speed, cost, and risk.

Security operations screens with terminal output in a dark room
2026-06-30 路 4 min read

Incident Response Runbook: Build It Before Ransomware Hits

The first hour of an incident is decided months earlier. A practical runbook covers ownership, pre-approved containment, break-glass access, and a tabletop habit.

Code projected across a security analyst's face
2026-06-29 路 4 min read

Phishing-as-a-Service Is Beating Weak MFA

Modern phishing kits proxy the real login and steal the session, not the password. What actually holds up: passkeys, conditional access, and fast revocation.

Rows of server racks lit in blue in a data center
2026-06-28 路 5 min read

Kubernetes Without the Platform Team Burnout

How a small platform team can run Kubernetes calmly: one paved path, GitOps, fewer choices, and the discipline to skip what you cannot operate.