Johannes B. Ullrich

SANS Internet Storm Center's Daily Network Security News Podcast

News EN ↓ 1000 episodes

A brief daily summary of what is important in information security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually 5 minutes long summary of current network security related events. The content is late breaking, educational and based on listener input as well as on input received by the SANS Internet Storm Center. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .

Author

Johannes B. Ullrich

Category

News

Podcast website

isc.sans.edu

Latest episode

Jul 9, 2026

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Episodes

Network Security News Summary for Friday November 11st, 2022 11.11.2022

Observable vs IOC; Android Update; libxml vuln details; xterm vuln; Do you collect "Observables" or "IOCs" https://isc.sans.edu/diary/Do%20you%20collect%20%22Observables%22%20or%20%22IOCs%22%3F/29238 Android Update fixes Lock Screen Bypass https://source.android.com/docs/security/bulletin/2022-11-01 https://bugs.xdavidhu.me/google/2022/11/10/accidental-70k-google-pixel-lock-screen-bypass/ libxml V...

Network Security News Summary for Thursday November 10th, 2022 10.11.2022

PS Ransomware; iOS/MacOS XML Patches; Lenovo UEFI Patch; Another Script-Based Ransomware https://isc.sans.edu/diary/Another%20Script-Based%20Ransomware/29234 Apple Security Updates https://support.apple.com/en-us/HT201222 Lenovo UEFI Patch https://www.welivesecurity.com/2022/04/19/when-secure-isnt-secure-uefi-vulnerabilities-lenovo-consumer-laptops/ FoxIT Update https://www.foxit.com/support/secur...

Network Security News Summary for Wednesday November 9th, 2022 09.11.2022

Microsoft, VMWare and Citrix Patches and maybe Exchange Patches too? Microsoft Patches https://isc.sans.edu/diary/Microsoft%20November%202022%20Patch%20Tuesday/29230 VMWare Workspace One Updates CVE-2022-31686, CVE-2022-31687, CVE-2022-31688 https://www.vmware.com/security/advisories/VMSA-2022-0028.html Citrix Gateway / Citrix ADC Vulnerabilities CVE-2022-27510 https://support.citrix.com/article/C...

Network Security News Summary for Tuesday November 8th, 2022 08.11.2022

IPv4 Addresses; Azure AD CBA; Twitter Scams; Facebook Info Removal; Wifi Data Leak IPv4 Address Representations https://isc.sans.edu/diary/IPv4%20Address%20Representations/29224 Azure AD Certificate-based Authentication (CBA) on Mobile https://techcommunity.microsoft.com/t5/microsoft-entra-azure-ad-blog/azure-ad-certificate-based-authentication-cba-on-mobile/ba-p/2365672 Twitter Scams https://nake...

Network Security News Summary for Monday November 7th, 2022 07.11.2022

Remcos RAT and Unicode; VHD Malware; PyPi w4sp Stealer; Remcos Downloader With Unicode Obfuscation https://isc.sans.edu/diary/Remcos%20Downloader%20with%20Unicode%20Obfuscation/29220 Windows Malware With VHD Extension https://isc.sans.edu/diary/Windows%20Malware%20with%20VHD%20Extension/29222 PyPi Packages Attempting to Deliver w4sp Stealer https://blog.phylum.io/phylum-discovers-dozens-more-pypi-...

Network Security News Summary for Friday November 4th, 2022 04.11.2022

Burp Breakpoints; TA589 JavaScript Injection; Hitachi, Fortinet, Nessus Patches Breakpoints in Burp https://isc.sans.edu/forums/diary/Breakpoints%20in%20Burp/29214/ TA569 Supply Chain Attack Injects JavaScript https://twitter.com/threatinsight/status/1587865920130752515 https://www.darkreading.com/application-security/supply-chain-attack-pushes-out-malware-to-more-than-250-media-websites Link to o...

Network Security News Summary for Thursday November 3rd, 2022 03.11.2022

DarkVNC History; Sigstore; URLScan.io Leak; Checkmk Exploitation Who Put the "Dark" in DarkVNC? https://isc.sans.edu/forums/diary/Who+put+the+Dark+in+DarkVNC/29210 sigstore General Availability https://openssf.org/press-release/2022/10/25/sigstore-announces-general-availability-at-sigstorecon/ https://github.blog/2022-10-25-why-were-excited-about-the-sigstore-general-availability/ URLScan.io's SOA...

Network Security News Summary for Wednesday November 2nd, 2022 02.11.2022

OpenSSL 3.0 Punycode Vulnerability Fix CVE-2022-3786, CVE-2022-3602 OpenSSL 3.0 Punycode Vulnerability Fix https://isc.sans.edu/forums/diary/Critical+OpenSSL+30+Update+Released+Patches+CVE20223786+CVE20223602/29208 https://www.openssl.org/blog/blog/2022/11/01/email-address-overflows/ keywords: openssl; punycode;

Network Security News Summary for Tuesday November 1st, 2022 01.11.2022

nmap without nmap; ConnectWise Vuln; Chrome 0-DAy; LODEINFO; Spring Insecurity NMAP without NMAP - Port Testing and Scanning with PowerShell https://isc.sans.edu/diary/NMAP+without+NMAP+Port+Testing+and+Scanning+with+PowerShell/29202 ConnectWise Recover and R1Soft Server Backup Critical Vulnerability https://www.connectwise.com/company/trust/security-bulletins/r1soft-and-recover-security-bulletin...

Network Security News Summary for Monday October 31st, 2022 31.10.2022

DUO and O365; Win IPv6 ESP Vuln Details; JunOS Exploit; Raspberry Robin Supersizing you DUO and 365 Integration https://isc.sans.edu/forums/diary/Supersizing%20your%20DUO%20and%20365%20Integration/29194/ TCP/IP Vulnerability CVE-2022–34718 PoC Restoration and Analysis https://medium.com/numen-cyber-labs/analysis-and-summary-of-tcp-ip-protocol-remote-code-execution-vulnerability-cve-2022-34718-8fcc...

Network Security News Summary for Friday October 28th, 2022 28.10.2022

OpenSSL Versions; Apple Updates; 1Tbps Fodcha Botnet; Upcoming Critical OpenSSL Vulnerability: What will be Affected? https://isc.sans.edu/forums/diary/Upcoming+Critical+OpenSSL+Vulnerability+What+will+be+Affected/29192 Apple Updates https://support.apple.com/en-us/HT201222 Fodcha Botnet Reaches 1Tbps https://blog.netlab.360.com/ddosmonster_the_return_of__fodcha_cn/ https://www.bleepingcomputer.co...

Network Security News Summary for Thursday October 27th, 2022 27.10.2022

Catfeeder Spy; OpenSSL Patch Preannouncement; Ventura Bug; VMWare Vulnerability Why is My Cat Using Baidu And Other IoT DNS Oddities https://isc.sans.edu/forums/diary/Why+is+My+Cat+Using+Baidu+And+Other+IoT+DNS+Oddities/29188 OpenSSL Critical Flaw to Be Patched https://mta.openssl.org/pipermail/openssl-announce/2022-October/000238.html MacOS Ventura Blocks Security Tools https://www.wired.com/stor...

Network Security News Summary for Wednesday October 26th, 2022 26.10.2022

GitHub Cryptomining; Healthcare Ransomware; Cisco Anyconnect Exploit; sqlite PoC Exploit; Massing Cryptomining Operation via Github Actions https://sysdig.com/blog/massive-cryptomining-operation-github-actions/ Daixin Team Ransomware Targeting Healthcare Providers https://www.ic3.gov/Media/News/2022/221021.pdf Cisco Anyconnect Client Exploited in the Wild https://tools.cisco.com/security/center/co...

Network Security News Summary for Tuesday October 25th, 2022 25.10.2022

Outlook.com C2; Apple Patches; Cisco Vuln; Dormant Colors C2 Communications Through Outlook.com https://isc.sans.edu/forums/diary/C2+Communications+Through+outlookcom/29180 Apple Patches Everything October 2022 Edition https://isc.sans.edu/forums/diary/Apple%20Patches%20Everything%3A%20October%202022%20Edition/29182/ Cisco ISE Patch https://tools.cisco.com/security/center/content/CiscoSecurityAdvi...

Network Security News Summary for Monday October 24th, 2022 23.10.2022

Sczriptzzb and Netsupport; rtfdump; Windows MotW Bypass; Fake GitHub Exploits; F5 and Synology Patches Sczriptzzbn Inject Pushes Malware for NetSupport RAT https://isc.sans.edu/forums/diary/sczriptzzbn%20inject%20pushes%20malware%20for%20NetSupport%20RAT/29170/ rtfdump find options https://isc.sans.edu/forums/diary/rtfdumps+Find+Option/29174 Exploited Windows Zero Day Lets JavaScript Files Bypass...

Network Security News Summary for Friday October 21st, 2022 21.10.2022

Value of Prefetch; Win 10 TLS Fix; ScubaGear released; HTTP/3 Contamination; Forensic Value of Prefetch https://isc.sans.edu/forums/diary/Forensic%20Value%20of%20Prefetch/29168/ Microsoft TLS Fix https://support.microsoft.com/en-us/topic/october-17-2022-kb5020435-os-builds-19042-2132-19043-2132-and-19044-2132-out-of-band-243f34de-2f44-4015-a224-1b68a4132ca5 CISA Releases ScubaGear to Audit M365 ht...

Network Security News Summary for Thursday October 20th, 2022 20.10.2022

Internet Wide Scanning; studentaid scams; undetectable command and control Are Internet Scanning Services Good or Bad for You? https://isc.sans.edu/forums/diary/Are+Internet+Scanning+Services+Good+or+Bad+for+You/29164 FBI Warns of Student Loan Foregiveness Scams https://www.ic3.gov/Media/Y2022/PSA221018 Fully Undetectable Powershell Backdoor https://www.safebreach.com/resources/blog/safebreach-lab...

Network Security News Summary for Wednesday October 19th, 2022 19.10.2022

Obfuscating Python; Oracle CPU; Office 365 Encryption; Python Obfuscation for Dummies https://isc.sans.edu/forums/diary/Python%20Obfuscation%20for%20Dummies/29160/ Oracle October 2022 Critical Patch Update https://www.oracle.com/security-alerts/cpuoct2022.html Weak Encryption in Microsoft Office 365 https://labs.withsecure.com/advisories/microsoft-office-365-message-encryption-insecure-mode-of-ope...

Network Security News Summary for Tuesday October 18th, 2022 18.10.2022

Fileless Dropper; Apache Commons Text Vuln; MSFT Driver Blocklist NOOP; Fileless Powershell Dropper https://isc.sans.edu/forums/diary/Fileless%20Powershell%20Dropper/29156/ Apache Commons Text Vulnerablity https://www.openwall.com/lists/oss-security/2022/10/13/4 How a Microsoft Blunder Opened Millions of PCs to Potent Malware Attacks https://arstechnica.com/information-technology/2022/10/how-a-mic...

Network Security News Summary for Monday October 17th, 2022 17.10.2022

FortiOS Exploit; Exchange Workaround Bypass; QBot in HTML; Malware in PDF; VMWare End of Life Horizon3 Publishes FortiOS Vulnerablity Details and Exploit https://www.horizon3.ai/fortios-fortiproxy-and-fortiswitchmanager-authentication-bypass-technical-deep-dive-cve-2022-40684/ More Exchange Vulnerability Workaround Bypasses https://twitter.com/wdormann/status/1576922677675102208 Analysis of a Mali...

Network Security News Summary for Friday October 14th, 2022 13.10.2022

Alchimist/Insekt C&C; vm2 vuln; npm package disclosure; Zimbra Patch Alchimist Offensive Framework https://blog.talosintelligence.com/2022/10/alchimist-offensive-framework.html#more VM2 Sandbox Vulnerability https://www.oxeye.io/blog/vm2-sandbreak-vulnerability-cve-2022-36067 private npm package disclosure https://blog.aquasec.com/private-packages-disclosed-via-timing-attack-on-npm Zimbra Updates...

Network Security News Summary for Thursday October 13rd, 2022 12.10.2022

Adobe Patches; Fortinet Details and New Patches; iOS and Android VPN Issues; Aruba Patches Adobe October Patch Tuesday https://helpx.adobe.com/sa_en/security/security-bulletin.html Fortinet Guidance https://www.horizon3.ai/fortinet-iocs-cve-2022-40684/ https://isc.sans.edu/forums/diary/Scans+for+old+Fortigate+Vulnerability+Building+Target+Lists/29142 Android VPN Issues https://mullvad.net/en/blog/...

Network Security News Summary for Wednesday October 12nd, 2022 11.10.2022

Microsoft October 2022 Patches; SAP Patch Day; CISA Chinese State Sponsored Vuln List Microsoft October 2022 Patches https://isc.sans.edu/forums/diary/October%202022%20Microsoft%20Patch%20Tuesday/29138/ SAP Patchday https://dam.sap.com/mac/app/e/pdf/preview/embed/ucQrx6G?ltr=a&rc=10 Top CVEs Actively Exploited By People's Republic of China State-Sponsored Cyber Actors https://www.cisa.gov/uscert/n...

Network Security News Summary for Tuesday October 11st, 2022 10.10.2022

Wireshark Update; Fortinet Vulnerability; BazarCall; RPKI Rate Limiting Wireshark Display Filter Update https://isc.sans.edu/forums/diary/Wireshark+Specifying+a+Protocol+Stack+Layer+in+Display+Filters/29130 Fortinet Vulnerablity Update https://twitter.com/Horizon3Attack/status/1579285863108087810 BazarCall Social Engineering Tactics https://www.trellix.com/en-us/about/newsroom/stories/research/evo...

Network Security News Summary for Monday October 10th, 2022 09.10.2022

Fortinet Update; Zimbra (cpio) vuln; Exchange Workaround Update; Ikea Smart Buld Exploit Fortinet Update https://docs.fortinet.com/document/fortigate/7.2.2/fortios-release-notes/760203/introduction-and-supported-models Zimbra Vulnerability https://twitter.com/iagox86/status/1578084484720734209 https://attackerkb.com/topics/1DDTvUNFzH/cve-2022-41352/rapid7-analysis?referrer=activityFeed Microsoft E...

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