Category: CyberSec / ITSec / Sicherheit / Security / SPAM

19.09.2019

for whatever reason, it is not enough to allow udp traffic on port 5900, one also needs to allow tcp traffic. /sbin/iptables -A INPUT -p tcp -m tcp –dport 5900 -j ACCEPT /sbin/iptables -A INPUT -p udp -m udp –dport […]

11.09.2019

Stay up to date on IT-Security: SmartPhones sind wie komplette Computer – Plus: noch weiterer Funktionen. D.h. eigentlich muss man die IT-Security von SmartPhones genauso handhaben wie die aller anderer Computer. D.h. Regelmäßige Updates (automatisch oder halb-automatisch, Virenscanner, Firewall… you […]

quantum computing and a universe wide wireless communication network faster than the speed of light
12.08.2019

Why is quantum computing important: optimization Update: Google claims to have reached quantum supremacy The tech giant unveiled its x-quantum computer chip Bristlecone in March 2018 (src: cnet) original nasa paper: https://drive.google.com/file/d/19lv8p1fB47z1pEZVlfDXhop082Lc-kdD/view book: https://deepai.org/machine-learning/researcher/eleanor-g-rieffel https://www.amazon.com/Quantum-Computing-Introduction-Engineering-Computation/dp/0262015064 Scott’s Supreme Quantum Supremacy FAQ! […]

07.08.2019

screw Qualcomm, what one wants is should work out of the box with recent Linux kernels on Open Source drivers only: https://dwaves.de/2019/07/03/recommended-tested-hardware-superb-wifi-wlan-adapter-chipset-atheros-ar9285-mini-pcie-for-gnu-linux-debian-10-ubuntu-and-trisquel-8-0-test-run-on-lenovo-t440-and-librebooted-lenovo-x60s/ as far as i understand this… if you are concerned about the security of your phone… (banking apps… […]

24.07.2019

“Linux desktop remains an unpopular choice among mainstream desktop users, making up a little more than 2% of the desktop operating system market share. This is in contrast to the web server market share, which consists of 70% of Linux-based operating systems. […]

24.07.2019

Capitalism inspires the short sighted incentives. But trust and honesty is key in long term relationships. So for a short period of time – some dishonest people might enjoy the benefits – but in the end – it comes home […]

ntpd – when fundamentals fail
06.07.2019

have seen DELL Notebooks that refused to boot unless F2 is pressed when the CMOS battery (that is not easily replaceable often 🙁 runs out of capacity… #wtf seriously??? nothing should depend on date and time… because if it does, […]

can you trust PDF attachments/files in 2019?
06.07.2019

Pwn2Own 2020: opening a pdf can be enough to compromise system! https://youtu.be/u1udr7j9MQA?t=359 thank you ccc you are doing a lovely work – make this planet more interesting by creativity and more informed about security 🙂 keep it up 🙂 https://cdn.media.ccc.de/events/gpn/gpn19/h264-hd/gpn19-45-eng-BADPDF_-_Stealing_Windows_Credentials_via_PDF_Files_hd.mp4 […]

cost of cybercrime and lawful backdoors
09.03.2019

“The cost to companies from malware and “malicious insider”-related cyberattacks jumped +12 percent in 2018 and accounted for one-third of all cyberattack costs, according to new research published today by Accenture and the Ponemon Institute.” src: helpnetsecurity.com logical consequence: stop […]

Hardware Implants – Thunderbolt and OMG USB Cable of Evil
09.03.2019

… this is why no usb stick and no cable can be trusted… Thunderbolt / PCI-Express is having similar issues “Abstract—Direct Memory Access (DMA) attacks have beenknown for many years: DMA-enabled I/O peripherals have com-plete access to the state of […]

how to htaccess limit wordpress searches
04.03.2019

lately this blog gets bombarded with queries like these: which decoded are Korean SPAM? which translates as: iptables / firewalld seem not to work and have to really really figure out why. until then this is a little workaround, it […]