MMahima Singh3h ago · 8 min readThe Ghost in the Apache: Debugging a Mystery Cron Job Across 250+ Legacy EC2 InstancesEvery SRE or platform engineer has met the incident where the fix works, the ticket gets closed, and twenty minutes later the problem is back as if you had done nothing. This is the story of how a newsmahima.hashnode.dev
EExamJungle39m ago · 8 min readReading the Signals: Security Operations Questions on the AZ-500 ExamMost people preparing for Microsoft's Azure security engineer certification spend their early study hours on identity and network controls. Those topics feel concrete: you can draw a diagram of a virtexamjungle.hashnode.dev
MMamun Sk1h ago · 15 min readNagad Account Hacked? Do These Steps Now to Freeze It and Fight for Your MoneyThe money leaves in minutes, but a fast, calm response can still save it — here is the exact order: freeze first, then fight to get it back. You open Nagad to check your balance and the money is simpldailytechwatch.hashnode.dev
AAndre Burgstahler1h ago · 14 min readWhat Can Your Agent Actually Touch?This article first appeared on Medium: https://medium.com/@r3dtuxedo/what-can-your-agent-actually-touch-6010c17243d9 Sandboxes, network access and MCP filesystem overreach. A bad web page can steer yor3dtuxedo.hashnode.dev
MMamun Sk1h ago · 6 min readPasskeys and Two-Factor Authentication: Stronger Sign-Ins in 15 MinutesYour password alone is a single lock on the door — here is how to add a second one, and then replace the whole lock with something phishers cannot steal. A password is one secret, and secrets leak: thdailytechwatch.hashnode.dev
VVlad Zoff1h ago · 15 min readBuild Multi-Tenant RAG in Next.js Without Leaking Customer DataI've spent about twenty years building software. A pattern worth watching for is a security check that exists in the first request path but gets missed when someone adds a second one. RAG makes that mcodapult.hashnode.dev
ZZyVOP2h ago · 13 min readHow to Allow SSH Login From Only Your IP on a VPS (Without Locking Yourself Out)Spin up a fresh VPS, wait a few minutes, then look at your SSH logs. sudo grep "Failed password" /var/log/auth.log | tail On RHEL-based systems (Rocky, Alma, CentOS) the file is /var/log/secure insteblog.zyvop.com
KKazem Mortazavi2h ago · 2 min readExchange 2016 and 2019 Are Now Unpatched for Good: A Layered Plan for On-Prem ExchangeAs of November 1, 2026, Exchange Server 2016 and 2019 will not receive another security update. Extended support ended on October 14, 2025, and the second, final period of the Extended Security Updatesecurityland.hashnode.dev
KKazem Mortazavi2h ago · 3 min readWhy Traffic Volume Is No Longer Enough to Measure DDoS RiskA few minutes of downtime can cost an online business real revenue and customers who do not come back. Yet many teams still judge their DDoS defense by a single number: how much traffic it can absorb.securityland.hashnode.dev
BBrandon Sooknanan3h ago · 5 min read8 free security tools for IT teams: CVE, DMARC, SPF, DKIM and MX checks (no sign-up)Drafted with AI assistance. Every tool and link below was checked on the live site before publishing. Most security checks don't need a paid product or a sales call. They need public data, read correcblog.varaxontech.com
