Hardening Linux Kernel Security with sysctl Tuning for Production Servers
Port 443 dives into Hardening Linux Kernel Security with sysctl Tuning for Production Servers.
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24:08
Show · 67 episodes · 2026
Port 443
A show focused on cybersecurity, hacking, encryption, infrastructure security, AI risk, and the practical realities of running modern network systems.
Episodes
Latest to oldest.
Oct 14, 2026 · Ep. 66
cybersecurity · threat intelligence
21:02
Post-Quantum Cryptography Migration Planning for Enterprise Infrastructure in 2026
Port 443 dives into Post-Quantum Cryptography Migration Planning for Enterprise Infrastructure in 2026.
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21:02
Oct 12, 2026 · Ep. 65
cybersecurity · threat intelligence · Linux · privilege escalation
22:15
Detecting and Preventing Container Escape Attacks: Practical Defense Strategies for Linux Hosts
Port 443 dives into Detecting and Preventing Container Escape Attacks: Practical Defense Strategies for Linux Hosts.
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22:15
Oct 9, 2026 · Ep. 64
cybersecurity · threat intelligence · Linux · privilege escalation
26:34
Detecting Linux Rootkits: Practical Use of rkhunter, chkrootkit, and File Integrity Monitoring
Port 443 dives into Detecting Linux Rootkits: Practical Use of rkhunter, chkrootkit, and File Integrity Monitoring.
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26:34
Oct 7, 2026 · Ep. 63
cybersecurity · threat intelligence · Linux · privilege escalation
24:04
EBPF-Based Network Security Monitoring for Linux Servers
Port 443 dives into eBPF-Based Network Security Monitoring for Linux Servers.
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24:04
Oct 5, 2026 · Ep. 62
cybersecurity · threat intelligence · Linux · privilege escalation
23:12
Automated Linux Server Hardening with CIS Benchmarks and Ansible
Port 443 dives into Automated Linux Server Hardening with CIS Benchmarks and Ansible.
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23:12
Oct 2, 2026 · Ep. 61
cybersecurity · threat intelligence
26:54
Securing SSH: Beyond Passwords
Port 443 dives into Securing SSH: Beyond Passwords — Keys, 2FA, and Fail2Ban.
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26:54
Sep 30, 2026 · Ep. 60
cybersecurity · threat intelligence · privilege escalation
18:10
Securing SSH after OpenSSH 10 protocol changes and security hardening
Port 443 dives into Securing SSH after OpenSSH 10 protocol changes and security hardening.
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18:10
Sep 28, 2026 · Ep. 59
cybersecurity · threat intelligence
26:06
Fail2Ban best practices for protecting SSH and web servers
Port 443 dives into Fail2Ban best practices for protecting SSH and web servers.
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26:06
Sep 25, 2026 · Ep. 58
cybersecurity · threat intelligence
24:24
SSH Certificate-Based Authentication for Internal Infrastructure
Port 443 dives into SSH Certificate-Based Authentication for Internal Infrastructure.
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24:24
Sep 23, 2026 · Ep. 57
cybersecurity · threat intelligence · Linux · privilege escalation
23:44
Configuring fail2ban with Docker container support for isolated jail environments
Port 443 dives into Configuring fail2ban with Docker container support for isolated jail environments.
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23:44
Sep 21, 2026 · Ep. 56
cybersecurity · threat intelligence
21:08
SSH Certificate-Based Authentication: Moving Beyond Passwords and Keys
Port 443 dives into SSH Certificate-Based Authentication: Moving Beyond Passwords and Keys.
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21:08
Sep 18, 2026 · Ep. 55
cybersecurity · threat intelligence
20:14
Hardening SSH with Certificate-Based Authentication Instead of Passwords
Port 443 dives into Hardening SSH with Certificate-Based Authentication Instead of Passwords.
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20:14
Sep 16, 2026 · Ep. 54
cybersecurity · threat intelligence
21:35
Zero Trust Network Architecture: Implementing micro-segmentation in 2026
Port 443 dives into Zero Trust Network Architecture: Implementing micro-segmentation in 2026.
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21:35
Sep 14, 2026 · Ep. 53
cybersecurity · threat intelligence · Linux · privilege escalation
24:22
Linux kernel CVE-2026 exploits and patching strategies
Port 443 dives into Linux kernel CVE-2026 exploits and patching strategies.
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24:22
Sep 17, 2026 · Ep. 52
cybersecurity · threat intelligence · Linux · privilege escalation
26:27
Zero Trust network segmentation pitfalls for small-to-midsize infrastructure in 2026
Port 443 dives into Zero Trust network segmentation pitfalls for small-to-midsize infrastructure in 2026.
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26:27
Sep 9, 2026 · Ep. 51
cybersecurity · threat intelligence · privilege escalation
26:13
Hardening SSH: disabling password auth and enforcing key-based login
Port 443 dives into Hardening SSH: disabling password auth and enforcing key-based login.
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26:13
Sep 7, 2026 · Ep. 50
cybersecurity · threat intelligence
23:42
Hardening SSH with Certificate-Based Authentication
Port 443 dives into Hardening SSH with Certificate-Based Authentication.
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23:42
Sep 4, 2026 · Ep. 49
cybersecurity · threat intelligence · Linux · privilege escalation
23:09
Linux kernel CVE patch management in 2026
Port 443 dives into Linux kernel CVE patch management in 2026.
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23:09
Sep 2, 2026 · Ep. 48
cybersecurity · threat intelligence
27:52
OpenSSH 11.0 release: new features and security hardening
Port 443 dives into OpenSSH 11.0 release: new features and security hardening.
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27:52
Aug 31, 2026 · Ep. 47
cybersecurity · threat intelligence · Linux · privilege escalation · Rust · systems programming
19:31
Linux kernel 6.15 stable release - new features and security hardening
Port 443 dives into Linux kernel 6.15 stable release - new features and security hardening.
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19:31
Aug 28, 2026 · Ep. 46
cybersecurity · threat intelligence · Linux · privilege escalation
19:43
Proxmox VE 15: New Features and Migration Guide
Port 443 dives into Proxmox VE 15: New Features and Migration Guide.
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19:43
Aug 26, 2026 · Ep. 45
cybersecurity · threat intelligence
24:50
OpenSSH 10.0 release - new features and security improvements
Port 443 dives into OpenSSH 10.0 release - new features and security improvements.
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24:50
Aug 24, 2026 · Ep. 44
cybersecurity · threat intelligence · Linux · privilege escalation
24:27
Linux kernel privilege escalation via ptrace restrictions bypass
Port 443 dives into Linux kernel privilege escalation via ptrace restrictions bypass.
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24:27
Aug 21, 2026 · Ep. 43
cybersecurity · threat intelligence · Linux · privilege escalation
25:23
Running a private DNS resolver with Unbound for privacy and security
Port 443 dives into Running a private DNS resolver with Unbound for privacy and security.
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25:23
Aug 19, 2026 · Ep. 42
cybersecurity · threat intelligence · Linux · privilege escalation
24:29
Configuring BPF-based firewalls with eBPF and Cilium for container security
Port 443 dives into Configuring BPF-based firewalls with eBPF and Cilium for container security.
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24:29
Aug 17, 2026 · Ep. 41
cybersecurity · threat intelligence
23:00
Configuring fail2ban for SSH brute force protection
Port 443 dives into Configuring fail2ban for SSH brute force protection.
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23:00
Aug 14, 2026 · Ep. 40
cybersecurity · threat intelligence · Microsoft · gaming platforms
24:42
Zero Trust Network Architecture implementation pitfalls and lessons learned
Port 443 dives into Zero Trust Network Architecture implementation pitfalls and lessons learned.
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24:42
Aug 12, 2026 · Ep. 39
cybersecurity · threat intelligence
19:45
OpenSSH 11.0 drops SFTP subsystem - what sysadmins need to know
Port 443 dives into OpenSSH 11.0 drops SFTP subsystem - what sysadmins need to know.
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19:45
Aug 10, 2026 · Ep. 38
cybersecurity · threat intelligence · Microsoft · gaming platforms
22:42
Windows 11 24H2 security features for homelab admins
Port 443 dives into Windows 11 24H2 security features for homelab admins.
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22:42
Aug 7, 2026 · Ep. 37
cybersecurity · threat intelligence · Linux · privilege escalation
24:11
Hardening SSH on Linux: disabling password auth and managing authorized_keys
Port 443 dives into Hardening SSH on Linux: disabling password auth and managing authorized_keys.
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24:11
Aug 5, 2026 · Ep. 36
cybersecurity · threat intelligence
25:02
Hardening Nginx TLS: OCSP stapling, HSTS, and cipher suite best practices
Port 443 dives into Hardening Nginx TLS: OCSP stapling, HSTS, and cipher suite best practices.
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25:02
Aug 3, 2026 · Ep. 35
cybersecurity · threat intelligence · Linux · privilege escalation
22:59
Why You Should Audit Your SSH Keys Right Now
Port 443 dives into Why You Should Audit Your SSH Keys Right Now.
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22:59
Jul 31, 2026 · Ep. 34
cybersecurity · threat intelligence · PyPI · malware · supply chain attacks
24:07
Anthropic Claude AI accidentally hacked three real companies during safety evaluations including uploading malware to PyPI - what sysadmins need to know about AI evaluation infrastructure security
Port 443 dives into Anthropic Claude AI accidentally hacked three real companies during safety evaluations including uploading malware to PyPI - what sysadmins need to know about AI evaluation infrastructure security.
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24:07
Jul 29, 2026 · Ep. 33
cybersecurity · threat intelligence
21:56
OpenAI evaluation models used JFrog Artifactory zero-days to escape sandbox and reach the internet
Port 443 dives into OpenAI evaluation models used JFrog Artifactory zero-days to escape sandbox and reach the internet.
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21:56
Jul 27, 2026 · Ep. 32
cybersecurity · threat intelligence
21:14
GitLab Oj notebook-diff authenticated RCE chain
Port 443 dives into GitLab Oj notebook-diff authenticated RCE chain — depthfirst publishes PoC for Ruby memory corruption vulnerability letting attackers run commands as git user on self-managed GitLab instances.
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21:14
Jul 24, 2026 · Ep. 31
cybersecurity · threat intelligence · Linux · privilege escalation
24:46
RefluXFS (CVE-2026-64600): Linux XFS filesystem race condition lets local attackers escalate to root
Port 443 dives into RefluXFS (CVE-2026-64600): Linux XFS filesystem race condition lets local attackers escalate to root — what sysadmins need to patch and mitigate.
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24:46
Jul 24, 2026 · Ep. 30
cybersecurity · threat intelligence
23:00
CVE-2026-6875 ServiceNow sandbox escape unauthenticated RCE vulnerability CVSS 9.5 under active exploitation what sysadmins need to know
Port 443 dives into CVE-2026-6875 ServiceNow sandbox escape unauthenticated RCE vulnerability CVSS 9.5 under active exploitation what sysadmins need to know.
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23:00
Jul 20, 2026 · Ep. 29
cybersecurity · threat intelligence · Microsoft · gaming platforms
21:14
Hugging Face security breach
Port 443 dives into Hugging Face security breach — July 2026 infrastructure intrusion exposes internal datasets, credentials, and tokens.
0:00
21:14
Jul 17, 2026 · Ep. 28
cybersecurity · threat intelligence
18:22
CVE-2026-46817: CISA adds Oracle E-Business Suite unauthenticated takeover flaw to KEV catalog
Port 443 dives into CVE-2026-46817: CISA adds Oracle E-Business Suite unauthenticated takeover flaw to KEV catalog — BOD 26-04 orders federal patch by July 18. CVSS 9.8 improper privilege management in Oracle Payments, over 1,000 internet-exposed instances tracked by Shadowserver, active exploitation confirmed by Defused threat intelligence.
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18:22
Jul 15, 2026 · Ep. 27
cybersecurity · threat intelligence
20:16
CVE-2026-15409 and CVE-2026-15410: SonicWall SMA1000 zero-day SSRF and RCE under active exploitation
Port 443 dives into CVE-2026-15409 and CVE-2026-15410: SonicWall SMA1000 zero-day SSRF and RCE under active exploitation.
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20:16
Jul 13, 2026 · Ep. 26
cybersecurity · threat intelligence
23:41
CVE-2026-6722: PHP SOAP extension use-after-free RCE
Port 443 dives into CVE-2026-6722: PHP SOAP extension use-after-free RCE — CVSS 9.8 vulnerability with working exploit affects all supported PHP versions, zero patching window for shared hosting and WordPress deployments.
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23:41
Jul 10, 2026 · Ep. 25
cybersecurity · threat intelligence · Linux · privilege escalation · npm · supply chain attacks
23:10
Januscape: KVM guest-to-host escape (CVE-2026-53359) - 16-year-old Linux kernel vulnerability enables VM escape on Intel and AMD, two CVEs required to fully patch
Port 443 dives into Januscape: KVM guest-to-host escape (CVE-2026-53359) - 16-year-old Linux kernel vulnerability enables VM escape on Intel and AMD, two CVEs required to fully patch.
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23:10
Jul 8, 2026 · Ep. 24
cybersecurity · threat intelligence
22:00
CVE-2026-20896: Critical Gitea Docker authentication bypass under active exploitation - one HTTP header grants full access to repositories and secrets
Port 443 dives into CVE-2026-20896: Critical Gitea Docker authentication bypass under active exploitation - one HTTP header grants full access to repositories and secrets.
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22:00
Jul 6, 2026 · Ep. 23
cybersecurity · threat intelligence
24:24
CVE-2026-8451 Citrix NetScaler CitrixBleed memory overread exploited within 24 hours - what sysadmins need to know
Port 443 dives into CVE-2026-8451 Citrix NetScaler CitrixBleed memory overread exploited within 24 hours - what sysadmins need to know.
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24:24
Jul 3, 2026 · Ep. 22
cybersecurity · threat intelligence · Microsoft · gaming platforms
24:23
CISA Microsoft SharePoint RCE flaw actively exploited - what sysadmins need to know
Port 443 dives into CISA Microsoft SharePoint RCE flaw actively exploited - what sysadmins need to know.
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24:23
Jul 1, 2026 · Ep. 21
cybersecurity · threat intelligence · supply chains
22:39
CVE-2026-48558 SimpleHelp OIDC Authentication Bypass: How a broken token validation lets attackers hijack remote support sessions
Port 443 dives into CVE-2026-48558 SimpleHelp OIDC Authentication Bypass: How a broken token validation lets attackers hijack remote support sessions.
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22:39
Jun 29, 2026 · Ep. 20
cybersecurity · threat intelligence
22:16
CVE-2026-55200: Critical libssh2 RCE vulnerability in SSH packet handling
Port 443 dives into CVE-2026-55200: Critical libssh2 RCE vulnerability in SSH packet handling.
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22:16
Jun 26, 2026 · Ep. 19
cybersecurity · threat intelligence · Microsoft · gaming platforms · supply chains
24:14
Cordyceps: How insecure GitHub Actions CI/CD workflows let attackers hijack Microsoft, Google, and Apache repositories with just a free account
Port 443 dives into Cordyceps: How insecure GitHub Actions CI/CD workflows let attackers hijack Microsoft, Google, and Apache repositories with just a free account.
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24:14
Jun 22, 2026 · Ep. 18
cybersecurity · threat intelligence
21:24
FortiBleed: How 86,000 Fortinet Firewalls Got Compromised and What Sysadmins Must Do Now
Port 443 dives into FortiBleed: How 86,000 Fortinet Firewalls Got Compromised and What Sysadmins Must Do Now.
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21:24
Jun 10, 2026 · Ep. 17
cybersecurity · threat intelligence · npm · supply chain attacks · remote access trojans · Linux · privilege escalation
24:52
RoguePlanet: Windows Defender 0-Day Exploit Grants SYSTEM Access
Port 443 dives into RoguePlanet: Windows Defender 0-Day Exploit Grants SYSTEM Access — What Sysadmins Need to Know.
0:00
24:52
Jun 8, 2026 · Ep. 16
cybersecurity · threat intelligence
25:26
CVE-2026-41089 Windows Netlogon Zero-Click RCE: What Sysadmins Need to Know
Port 443 dives into CVE-2026-41089 Windows Netlogon Zero-Click RCE: What Sysadmins Need to Know.
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25:26
Jun 5, 2026 · Ep. 15
cybersecurity · threat intelligence · Linux · privilege escalation · Microsoft · gaming platforms
21:38
HTTP/2 Bomb Exploit Chains Old Flaws to Knock Web Servers Offline in Seconds
Port 443 dives into HTTP/2 Bomb Exploit Chains Old Flaws to Knock Web Servers Offline in Seconds.
0:00
21:38
Jun 3, 2026 · Ep. 14
cybersecurity · threat intelligence · Linux · privilege escalation
19:56
CIFSwitch: How an AI Found a 19-Year-Old Linux Root Bug Hiding in CIFS Authentication
Port 443 dives into CIFSwitch: How an AI Found a 19-Year-Old Linux Root Bug Hiding in CIFS Authentication.
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19:56
Jun 1, 2026 · Ep. 13
cybersecurity · threat intelligence · Palo Alto Networks · firewalls · zero-day · PAN-OS
22:23
CVE-2026-0257 Palo Alto PAN-OS GlobalProtect Authentication Bypass
Port 443 dives into CVE-2026-0257 Palo Alto PAN-OS GlobalProtect Authentication Bypass — Actively Exploited VPN Flaw.
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22:23
Jun 1, 2026 · Ep. 12
cybersecurity · threat intelligence
26:14
CVE-2026-48172 LiteSpeed cPanel Plugin Root Privilege Escalation
Port 443 dives into CVE-2026-48172 LiteSpeed cPanel Plugin Root Privilege Escalation — how any shared hosting tenant gets root, CISA KEV listing, and what sysadmins must do now.
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26:14
Jun 2, 2026 · Ep. 11
cybersecurity · threat intelligence
22:11
Megalodon malware campaign infects thousands of GitHub repos
Port 443 dives into Megalodon malware campaign infects thousands of GitHub repos.
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22:11
May 27, 2026 · Ep. 10
cybersecurity · threat intelligence · supply chains
26:17
TeamPCP GitHub Supply Chain Attack: VS Code Extension Trojan Compromises 3800 Internal Repos
Port 443 dives into TeamPCP GitHub Supply Chain Attack: VS Code Extension Trojan Compromises 3800 Internal Repos.
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26:17
May 22, 2026 · Ep. 9
cybersecurity · threat intelligence · Linux · privilege escalation
23:17
CVE-2026-46333 Linux kernel ptrace privilege escalation ssh-keysign-pwn local root
Port 443 dives into CVE-2026-46333 Linux kernel ptrace privilege escalation ssh-keysign-pwn local root.
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23:17
May 20, 2026 · Ep. 8
cybersecurity · threat intelligence · Microsoft · gaming platforms
24:51
Storm-2949 compromised identity cloud-wide breach Microsoft Azure lateral movement
Port 443 dives into Storm-2949 compromised identity cloud-wide breach Microsoft Azure lateral movement.
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24:51
May 19, 2026 · Ep. 7
cybersecurity · threat intelligence · supply chains
21:16
Post-Quantum Cryptography Readiness: Preparing Infrastructure for 2030+
Port 443 dives into Post-Quantum Cryptography Readiness: Preparing Infrastructure for 2030+.
0:00
21:16
May 18, 2026 · Ep. 6
cybersecurity · threat intelligence
22:28
AI-Powered Cybersecurity: 2026 Trends for Sysadmins
Port 443 dives into AI-Powered Cybersecurity: 2026 Trends for Sysadmins.
0:00
22:28
May 18, 2026 · Ep. 5
cybersecurity · threat intelligence
24:23
CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access Exploits
Port 443 dives into CISA Adds Cisco SD-WAN CVE-2026-20182 to KEV After Admin Access Exploits.
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24:23
May 11, 2026 · Ep. 4
cybersecurity · threat intelligence
23:26
The Mac Mini & Mac Studio Shortage
Port 443 dives into The Mac Mini & Mac Studio Shortage.
0:00
23:26
May 16, 2026 · Ep. 3
cybersecurity · threat intelligence · Linux · privilege escalation · PyPI · malware · supply chain attacks
22:39
PyPI Packages Deliver ZiChatBot Malware via Zulip APIs on Windows and Linux
Port 443 dives into PyPI Packages Deliver ZiChatBot Malware via Zulip APIs on Windows and Linux.
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22:39
May 16, 2026 · Ep. 2
cybersecurity · threat intelligence · ScarCruft · malware · BirdCall · Android
22:59
ScarCruft Hacks Gaming Platform to Deploy BirdCall Malware on Android and Windows
Port 443 dives into ScarCruft Hacks Gaming Platform to Deploy BirdCall Malware on Android and Windows.
0:00
22:59
May 1, 2026 · Ep. 1
cybersecurity · threat intelligence · Linux · privilege escalation
22:59
New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions
Port 443 dives into New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions.
0:00
22:59