David E Lares SForensic response for smartphones 101Let’s start with a quick network background.3 min read·Apr 25, 2024----
David E Lares SFirewall filtering overviewTo introduce firewalls, we need to start this post by discussing networks, the backbone component of them all.4 min read·Apr 12, 2024----
David E Lares SA brief overview of Ctypes in Python for WindowsAre you familiar with Python and C language? Check this resource.3 min read·Apr 4, 2024----
David E Lares SGeoIP lookups with NginxAssuming you already had a fresh installation of a Linux OS and the Nginx server (if not, check this post), we can perform server-side…2 min read·Mar 26, 2024----
David E Lares SDMZ networks in a nutshellIt’s pretty much common to have enterprise networks that require some time to expose services on the Internet, not only to expose them but…3 min read·Mar 21, 2024----
David E Lares SAndroid Malware Analysis OverviewThe smartphone world is huge and this carries a lot of benefits but also vulnerabilities and risks. To achieve effective testing, we can…7 min read·Mar 4, 2024----
David E Lares SThe Role of the DNS’s SNF RecordBefore going into technical aspects, we use email as our main communication tool for business, the impact of misconfiguration, negligence…2 min read·Feb 23, 2024----
David E Lares SA Crash Reading of ChecksumsHave you possibly heard about checksums, or even seen it in every download you make in a day, that little code that you see near a…2 min read·Feb 9, 2024----
David E Lares SHDDs and static partitioningThe best way to install Linux IMO is by sectioning the OS installation and some of the main folders in separate partitions.1 min read·Feb 9, 2024----
David E Lares SHard and Soft linksA link in computers is a file that references another file or directory. Is considered a directory entry that gets associated in two ways…1 min read·Feb 9, 2024----