Consider a client-side-only application. It may allow a user to make a payment by redirecting them to a payment gateway website, where they enter the credit card details. If I understand correctly, in this case only the payment provider mu…
I have an linux application that needs to read a secret to decrypt some data. The application also allows the users to change the encryption password during runtime. The application will run under a separate user account and the secret is …
Gaining insight into the files being executed on your system is a
great first step towards improved visibility on your endpoints. Taking
this a step further, centrally storing logs of file execution data so
they can be used for detection and hunt…
Gaining insight into the files being executed on your system is a
great first step towards improved visibility on your endpoints. Taking
this a step further, centrally storing logs of file execution data so
they can be used for detection and hunt…
$server_seed = “2754f7cc9e9e243711448401ea9d483067138a6b37c70c5d80b6c59943aa6996”;
$lotto = “1135567382”;
$round_id = “1”;
$hash = hash(“sha256”, $server_seed . “-” . $lotto . “-” . $round_id);
$roll = hexdec(substr($hash, 0, 8)) % 15;…
Since there are only a few different source addresses and they are all within valid subnets for the types of routers on our network (mostly netgear & mikrotik), I assume this means that this traffic is coming from local networks and no…
A while back, the following occurred. The PC is a Dell Inpsirion, running Windows 7. The browser was IE6. The network router was Linksys though the PC was wired to it. The router was secured.
Prior to the curious occurance, the browser hi…
I found an email in my Gmail spam folder which has the Gmail trusted sender icon. This seemed strange as I never saw this on spam, and it is making me uncomfortable. I can’t figure out what this message is, whether it is a scam, and if i…
EMET – Then and Now EMET – Then and Now Microsoft’s Trustworthy Computing initiative was 7 years old in 2009 when we first released the Enhanced Mitigation Experience Toolkit (EMET). Despite substantial improvements in Windows OS security during that s…
I need to encrypt and send update files of the order of 100K from a server, through a mobile app, to low power wireless embedded devices (32 bit). The file transfers will be infrequent. The mobile to device communications are slow (BLE) …
