[registrador]). This is a type of

software that attempts to ob-

tain and memorise keystrokes.

It can be used for remote spy-

ing, with the aim of obtaining

passwords from the user.

structions, camouflaged in another pro-

gram, whose purpose is to destroy or

gather information saved on disks. The

name refers to the Trojan horse, because

these viruses are usually housed in apparently harmless

elements, such as an image or music file, and are installed

in the system when the containing file is opened.

Adware is advertising includ-

ed in programs that appears

after installation. Some of this

comes with shareware or free-

ware licences, where advertis-

ing is included to pay for them, so that if the user

wants an advertising-free version, they can choose

to pay for the registered licence version. The prob-

lem arises when these programs act as spyware,

including code to gather personal information on

the user (information that is not necessarily used

maliciously: sometimes it is about discovering us-

ers' tastes, but it can be passed on to other parties

without authorisation).

other programs to use their rights

or change ther behaviour The most

common case is a browser attack,

changing the home page and redircting to search pages without the users consent

city ssuesin computer syst.

They workin very diverse compa

nies solving system vulnerabi

ities There ate alco companies

decicated to ethical hacking (or

white hacking) They help other companies andindivdualsto

<scover how safe they are fom malicious hackers

Malicious hackers, also calle black hackers, try to breach the

security ofenine systems for malicious purposes or franca

ain

Pablic access points can be risky

oe @

of anearby network or anetwork il ical

with 2 known name, When so-

rmeone mistakenly connects 12

that network the atacker can intercept thei communica

tions and sel nfomatonvthout beng noticed Tis type

of tacks known armani the mid attack To keep

Yousef sf ts ecommended that you acessecate we

bts with a eneat checking in the browser thatthe

ress begins ith pang that the cette ome

‘webite owhicht belongs) and ao avid epen networks

(or atthe very least donot cay out cet processes

through them, suchas connecting oscil med).

“This practice involves redirecting 2

“domain name toa diferent computer

so that a user who enters 2 URL goes

‘tw the attacking website Thus fo in-

stance it can replace a bank website

‘oobtain the victim’ passwords.

“These ae text files that ate saved

to the computer by the browser

winen we visit a website, for the

site to read them on subsequent

Visits. They arenota skora threat

3 long 25 they only aim to pro

vide acess to the site. Thus, for

instance, when we vst an online shopping website forthe

Second time on the same computer, its usual to find cr-

tain parameters aeady completed the configuration from

the previous vist has already ben selected, or we may even

receive a customised woleome message, all because ofthe

cookis saved from the ist vist. They could be considered

‘on malicious spyware

These are e-mail messages that

flood the networkin order toad

vertise products, sometimes of

dubious legality so the recipients

buy them. Theyaresenten masse,

since thas been shown that 1 in

12 milion sent e-mails receive 2

positive reply. Studies indicate

that spam curently represents

80% of e-mail trafic worwie.

oars, fake news fraud. What

‘on earth s happening tothe In

temet? With the spread of socal

medi, information is ccuatng

at breakneck speed, but not all of

itistrthfl

What can we do to prevent other from manipulating us

vith false information? We have put together some ad

vice fr you: investigate the source find out who the au

‘thot ry oobtan information roma variety of sources:

{nyt ind information that conflict wth your views and

donot hear only what you want to heat,

These ate people who try and

change how a commercial pro-

‘tam works or produce appica-

tions to obtain valid serial num-

bers in these types of programs

In order to use them without 2

licence (ate them)

Spyware: https://www.youtube.com/watch?v=7rxXeojyXXM

My security video: https://youtu.be/8ZB7byCpbLE