Nowadays, devices that are operated remotely (i.e., without local staff to verify their working conditions or act in the event of an incident) offer many services to the public.Some examples are: remote ATMs, billboards, ticket vending machines, etc. (more…)
At the end of November, the pre-Christmas season usually starts in Germany. The famous Christmas Markets, such as the Christkindle market in Nuremberg, open in every city and people celebrate the first Advent by lighting the first of four candles of the Advent wreath. Usually, the first Advent is the day when the contemplative time starts. The 27th of November, the first Advent in 2016 was for many people in Germany in a particular way very calm. Round about one million DSL routers, mainly devices from Germany’s biggest telecommunications carrier, fell victim to hacker attacks. (more…)
For some companies the question arises whether it is worth having wireless LAN in the company. Others are worried that a wireless LAN network could cause security risks and even attacks on IT systems could be easier.
Banks are currently one of the primary targets of criminals; quick access to cash or personal bank account information is a juicy haul. Automated teller machines (ATMs) are a security weak point and while bank-located machines usually have cameras and other security measures in place, off-site ATMs installed independently don’t have the same kind of infrastructure. There are plenty of articles on the Internet about ATM skimming, which is when a thief attaches an external device to an ATM to capture a card’s electronic data, including the PIN, in order to recreate an exact copy of the card. See this link to read an article from the North American press on ATM skimming.
Many people believe they have completely different electronic systems, but this is not entirely accurate. While it’s true to say there are quite a few differences, they also have a series of characteristics in common.
Without going into technology specifics such as the structure of a memory cell, the distinguishing characteristics of DRAM versus SRAM (static RAM) are basically twofold: (1) the full address is usually presented to SRAM just once, while it is multiplexed to DRAM, first the row and then the column; (2) DRAM also needs to be refreshed periodically to maintain the integrity of stored data.