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Hacked Freezers: Two Attack Waves on Europe's Cold Chain Compared

Hacked Freezers: Two Attack Waves on Europe's Cold Chain Compared

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9 min read
Check a cloud server's external exposure in one command

Check a cloud server's external exposure in one command

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8 min read
FortiGate Upgrade Dropped LAN-to-LAN Traffic — allow-traffic-redirect and the Implicit Deny Nobody Planned For

FortiGate Upgrade Dropped LAN-to-LAN Traffic — allow-traffic-redirect and the Implicit Deny Nobody Planned For

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9 min read
WordPress Security Hardening Checklist for 2026 (with WP-CLI Checks)

WordPress Security Hardening Checklist for 2026 (with WP-CLI Checks)

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3 min read
Plex Is Being Exploited. The Fix Shipped Eleven Weeks Earlier.

Plex Is Being Exploited. The Fix Shipped Eleven Weeks Earlier.

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6 min read
I Built an AI Agent Firewall on My Phone

I Built an AI Agent Firewall on My Phone

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2 min read
ICMPv6 Type by Type: A Reference for What a Firewall Must Allow

ICMPv6 Type by Type: A Reference for What a Firewall Must Allow

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4 min read
IPFire: one application fingerprint, 44 page titles, and 998,984 body matches for a firewall

IPFire: one application fingerprint, 44 page titles, and 998,984 body matches for a firewall

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4 min read
PAN-OS CVE-2026-0321: what an unauthenticated dataplane DoS actually breaks

PAN-OS CVE-2026-0321: what an unauthenticated dataplane DoS actually breaks

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3 min read
Setting Up Firewall Policies using Iptables

Setting Up Firewall Policies using Iptables

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5 min read
Setting Up Firewall Policies using Firewalld

Setting Up Firewall Policies using Firewalld

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7 min read
WAF: Web サイトと API を守るために経営者・管理者が理解すべきこと

WAF: Web サイトと API を守るために経営者・管理者が理解すべきこと

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2 min read
Synology DSM: 1,175,121 Fingerprint Matches Where File Storage Meets Remote Access

Synology DSM: 1,175,121 Fingerprint Matches Where File Storage Meets Remote Access

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2 min read
pfSense: 446,010 Fingerprint Matches on the Edge of the Network

pfSense: 446,010 Fingerprint Matches on the Edge of the Network

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3 min read
WAF: What Executives and Managers Need to Understand to Protect Websites and APIs

WAF: What Executives and Managers Need to Understand to Protect Websites and APIs

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12 min read
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