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Security Info for FreeBSD and PFSense Systems - CVE-2023-4809: FreeBSD pf bypass when using IPv6

Update on this issue Scrub is enabled by default on Pfsense, but the pfSense default ruleset blocks unknown traffic and does not permit IPv6 fragments, so default pfSense installs are not actually affected.

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Real-time alert when camera and/or microphone is accessed on Android or LineageOS

Matching the smartphone security and privacy series here in the blog ( https://kmj.at/en/tableofcontents/ ) today I show you an extension for alerting when an app accesses the camera and/or microphone, which many are looking for.

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Protection of smartphones against spyware and forensic data analysis

Use of cyber weapons against citizens and journalists The current excitement surrounding the use of the NSO Group’s Pegasus surveillance and trojan software, uncovered by Amnesty, shows that there must be a ban on the use of this type of software, which also includes the state trojans.

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Protection of corporate IT against ransom, blackmail and hacker attacks

Daily reports of hacker attacks, also on small and medium-sized companies, require extended information for CEOs and CIOs. In general, one has to differentiate between a hacker attack and failure to protect the company and since it can be assumed that 90% of companies are poorly or not at all protected, or do not understand the underlying problem in detail, around 95% of the incidents are probably in the area to assign failed protection.

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Secure DNS setup for companies and professional users

Series: License free with open source in the company Professional GDPR friendly IT setup Professional DNS setup As users unfortunately have little knowledge of the functions in the Internet, DNS is one of the most overlooked services in the operation of IT infrastructure and Internet services.

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