Archivo de la categoría: Security

How Cybercriminals Are Using Bitcoin’s Blockchain to Make Botnets Stronger Than Ever Bitcoin’s blockchain appears to be the newest tool that cybercriminals are using to make their botnets incredibly resilient. ByLucas RopekToday 12:50PMComments (5)Alerts Last week, Google announced that it had partially disrupted the operations of a massive botnet—a gargantuan network of over one million malware-infected Windows computers. In the world of cybersecurity, that would be news on… Leer más »

What SREs Can Learn from Facebook’s Largest Outage

sauce: SRE (Site Reliability Engineer).- Is an engineer whose main role is maximizing the reliability of IT systems. Facebook’s October 2021 outage was the type of event that gives SREs nightmares: A series of critical business apps crashed in minutes and remained unavailable for hours, disrupting more than 3.5 billion users around the world and costing… Leer más »


uMatrix: Un cortafuegos matricial ajustable mediante clics, con varias herramientas para mejorar su privacidad. Excelente para bloquear subscripciones de noticias

fix java errors

No appropiate protocol (protocol is disabled or cipher suites are inappropriate) java version «1.8.0_261»Java(TM) SE Runtime Environment (build 1.8.0_261-b12)Java HotSpot(TM) Client VM (build 25.261-b12, mixed mode) FIX Disable: In $JRE/lib/security/ Comment this lines: Certificates do not conform to algorithm constraints FIX Disable: In $JRE/lib/security/ Comment this lines:

security Cellebrite

security online

Linux: Find Out Which Process Is Listening Upon a Port

How do I find out running processes were associated with each open port? How do I find out what process has open tcp port 111 or udp port 7000 under Linux? You can the following programs to find out about port numbers and its associated process: netstat – a command-line tool that displays network connections, routing… Leer más »

Resize a Linux Root Partition Without Rebooting resize alienvault

Introduction A typical Linux server deployed from a ProfitBricks supplied image has a single storage volume, /dev/vda. If we take a look at that using fdisk we will see that the disk is divided into two partitions. The first one, /dev/vda1, is the boot partition where the OS resides. The second partition, /dev/vda2, is configured as swap space. root@debian:~# fdisk… Leer más »