Hacker #PerfektBlue Bluetooth Vulnerabilities #several Millions of vechicles impacted

Four security flaws in OpenSynergy's BlueSDK Bluetooth stack discovered, few days ago, that, if successfully exploited, could allow remote code execution on millions of transport vehicles from different vendors.

More details:

https://thehackernews.com/2025/07/perfektblue-bluetooth-vulnerabilities.html

https://www.securityinfo.it/2025/07/11/vulnerabilita-in-bluesdk-milioni-di-veicoli-a-rischio-di-attacco/

TIPS #curl troubleshooting website/connectivity check tool

Today I would like to take note on blog about curl command line tool that allow to send and receive data from servers using URL and for scripts automation too.

It supports various internet protocols like http, https, ftp, ftps, scp, sftp.

Is used for file download, testing and website checking

curl -vvv https://www.google.it

Curl -vvv https://website User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Firefox/58.0

curl man page

https://curl.se/docs/manpage.html

IT #ViveTool

ViVeTool is an open source tool for Windows 10/11 that permits you to enable hidden or experimental  Windows features

https://vivetool.com/

Related articles:

https://4sysops.com/archives/vivetool-enable-hidden-windows-features/

SCRIPTING #HOW TO CHANGE PACKET/MTU size on Windows systems

These are ping and windows commands to show network interfaces and change packet size

ping -t app.livewebinar.com -f -l 1400

netsh interface ipv4 show interface

netsh interface ipv4 set subinterface <ID> mtu=1360 store=persistent

Security #VPN Extension for your Browser & Free VPN software

During these days I had opportunity to use this tool that permitted us to find a workaround about an issue.

So I am taking note on blog about this browser extension.

Urban VPN Browser Extension has several features like mask your IP and choose from a constantly growing pool of international locations across the globe.

This plugin permit you to  surf geo-restricted sites on an encrypted connection and bypass firewalls safely without fear of personal information theft – and keep your device safe from malware when using public Wi-Fi connections.

https://www.urban-vpn.com/free-products/free-browser-extension/



[update 2025.07.14]
About this software, searching on internet there are some security concerns, due to this reason I found an alternative software (that need installation) that is free and it is Swiss based (Switzerland has some of the world's strongest data privacy laws )

https://protonvpn.com/download-windows



Server #Take action: Disable Secure Time Seeding (STS) in Windows Server 2016 and later

Microsoft recommends disabling the Secure Time Seeding (STS) in Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025 due to reported timekeeping issues. Additionally, organizations should review and ensure proper time synchronization and monitoring on critical servers.   

 
When will this happen:
Microsoft recommends applying this disablement as soon as possible. This recommendation applies to all existing deployments of Windows Server 2016 and later (including domain controllers and member servers).


more details could be found here: