" Warbixintu^{(Information)} waa badeecada boqorrada." Xigashada waxaa loo aaneynayaa Tony Robbins , laakiin hubaal waxay ahayd axiom ilaa iyo inta aan haysanay royalty. Sida aan u ilaalino alaabta kale ee qiimaha leh sida lacagta ama dahabka, waxaan sidoo kale u baahanahay inaan ilaalino macluumaadkayaga.

Sida ugu wanaagsan ee lagu sugi karo macluumaadka waa in laga dhigo mid aan macno u lahayn dadka kale. Waxaan taas ku samaynaa sirta Ma hayno lacagta ganacsiyada iyo dawladuhu ay ku siyaan software, markaa waa inaan eegno software-ka sirta ah ee bilaashka ah. Sababtoo ah waa bilaash, macnaheedu maaha inay xun tahay. Markaa waxaanu kuu soo bandhigaynaa software-ka ugu fiican ee sirta ah ee bilaashka ah.

Ku saabsan sirta^{(About Encryption)}

Waxaad ogtahay in sirtu ay ka dhigan tahay in xogta laga dhigo mid aan la akhrin karin^{(encryption means making data unreadable)} ilaa aad haysato furaha. Waxa laga yaabo inaadan garanaynin waa hababka kala duwan, ama algoorithms, ee loo isticmaalo siraynta xogta.

Furayaasha sirta^{(Encryption Keys)}

Ka fakar^(Think) furaha sirta inuu yahay nooc sir ah oo horumarsan. Farqiga u dhexeeya ayaa ah in furayaasha sirtu ay inta badan aad u dheer yihiin oo si aan toos ahayn. Badana waxaad arki doontaa iyaga oo loo tixraacayo furayaasha 128-bit ama 256-bit, tiro si siman loo qaybin karo 8. Nambarku wuxuu tilmaamayaa inta xabbadood ee ka kooban furaha ama dhererka furaha.

In kasta oo erayga sirta ah uu wax kugu soo galo, furaha sirtu sidoo kale waa qayb ka mid ah habka sirta iyo furista xogta. Sida xogta qarsoon u eg tahay waxay ku xiran tahay furaha.

Xogta aad geli doonto oo kaliya, furayaasha summetrical^{(symmetric keys)} ayaa si fiican u shaqeeya. Waxaa loo yaqaan 'symmetric' sababtoo ah furuhu wuxuu ka shaqeeyaa labada dhinac - sirta iyo fur-furan. Dhererka furaha^(Key) looma tixgeliyo inuu yahay mid muhiim u ah nidaamkan maadaama ay tahay inaad tahay ka kaliya ee leh furaha iyo helitaanka xogta. NSA waxay u baahan tahay furayaal summaysan oo ah 256-bit.

Diridda ama helitaanka xogta dadka kale, furaha summeeyeyaashu maaha fikrad wanaagsan mar haddii sidaaduhu awood u yeelan lahaayeen in ay kala saaraan xogta. Markaa nidaamka furaha asymmetrical^{(asymmetric key)} ayaa la isticmaalaa. Tani waxay ka dhigan tahay inuu jiro fure guud iyo fure gaar ah. Waxaad la wadaagaysaa furaha dadweynaha asxaabtaada si ay u sireeyaan fariimaha ay kuu soo diraan. Furaha dadweynaha waxa kaliya oo loo isticmaali karaa sir. Kadib waxaad isticmaashaa furaha gaarka ah si aad u furto fariimaha.

Furayaasha asymmetrical^(Asymmetric) caadi ahaan way ka dheer yihiin furayaasha summetrical tan iyo markii xogtu u baxayso duurka, halkaasoo dadku ay qabsan karaan oo ay isku dayi karaan inay dilaan. Inta uu furuhu sii dheeraado, waa yaraanaysaa ku habboonaantiisa. Machadka Qaranka^{(National Institute)} ee Sayniska^(Science) iyo Tignoolajiyada^(Technology) wuxuu ku talinayaa furayaasha 2048-bit. 

AES - Nidaamka Qarsoon ee Sare^{(AES – Advanced Encryption System)}

Algorithm-ka ugu caansan ee qarsoodiga ah, AES waa algoorithmiyaha sirta ah ee muhiimka ah ee caadiga ah. Sireeynta AES^{(AES encryption)} , iyadoo la adeegsanayo furayaasha 128-bit, ayaa ku filan dadka intooda badan, laakiin wakaaladaha dowladdu waxay u muuqdaan inay isticmaalaan furayaasha 256-bit ama ka dheer. Tani waa sirta aad u rabto xogta taagan sida USB flash drives , ama kuwa adag.

RSA – Rivest Shamir Adleman Encryption

RSA waa dadwayne, ama asymmetric, algorithm qarsoodiga muhiimka ah. Algorithm-ka waxaa loo isticmaalaa hab-maamuusyada amniga ee kala duwan sida OpenPGP iyo shahaadooyinka SSL ee^{(SSL certificates)} loo adeegsaday borotokoolka HTTPS . Waxaad arki doontaa borotokoolladan adigoo isticmaalaya furayaasha 1024-bit ama 2048-bit. Midda dambe ayaa caan ka ah. Haddii aad raadinayso isgaarsiin sugan, raadi ereyada sida RSA , HTTPS , PGP, OpenPGP , iyo GnuPG.

Sireeynta bilaashka ah ee ugu fiican darawalada^{(Best Free Encryption for Drives)}

Aan ku bilowno kaydka ugu weyn ee macluumaadka badankeena, hard drives ee kumbiyuutarada our. Waxaanu ku talinaynaa laba, iyadoo ku xidhan nidaamka hawlgalka (OS) ee aad isticmaasho.

FileVault 2

OS: Apple OS X Lion iyo kuwa cusub

Algorithm sireed:^{(Encryption Algorithm:)} XTS-AES 128-bit

Apple waxay caan ku tahay inay ilaaliso xogta macaamiisheeda, markaa la yaab maaha inay ku daraan FileVault oo wata OS X. ^{(FileVault with OS X)}FileVault waxay siraysaa darawalka bilawga Mac adiga oo isticmaalaya eraygaaga sirta ah ee gelitaanka sida erayga sir ahaan. Taasi waxay ka dhigaysaa mid aad u adag in lagu isticmaalo isticmaalayaasha badan ee Macs . 

Wadadu waa in la furo ka hor inta aanu qofna isticmaalin Mac . Haddii isticmaaluhu uu haysto ogolaanshaha furitaanka, way fiican yihiin. Haddii aysan sidaas yeelin, markaas qof kale oo haysta oggolaanshaha furitaanka waa inuu marka hore soo galaa, ka bacdi isticmaaleha kale wuu soo geli karaa oo shaqayn karaa.

VeraCrypt

OS: Windows, OS X, Linux

Algorithm sir ah: ^{(Encryption Algorithm: )}AES 256-bit , Camellia , Kuznyechik , Serpent , Twofish , iyo noocyo kala duwan

Isha furan ee VeraCrypt waxay ku fiican tahay sirta mugga oo dhan. Waxay isticmaashaa sirta duulista, taasoo la macno ah sida xogta loogu qoro saxanka, waa la sifeeyaa. Waqti kasta, wax walba waa sir. 

Ka sokow xornimada iyo u helida Windows , Mac , iyo Linux , VeraCrypt waxay leedahay sifada gaarka ah ee abuurista mugga qarsoon ee^{(creating a hidden encrypted volume)} gudaha mugga sirta ah ee caadiga ah. 

Maxay tani muhiim u tahay? Ka soo qaad in lagugu qasbay inaad furto darawalkaaga sabab qaar ka mid ah. Taasi waa fiican tahay, horay u soco. Dhammaan faylashaada muhiimka ah waxay ku jiraan mugga qarsoon ee qarsoon. Haddii si sax ah loo sameeyo, mugga qarsoon gabi ahaanba lama ogaan doono, markaa haddii aysan u muuqan inay jirto kuma qasbi kartid inaad sirtiisa furto. Taasi waxay u badan tahay inay ka badan tahay inta badan dadku u baahan yihiin, laakiin waa qabow.

Software-ka ugu wanaagsan ee sirta daruuriga ah ee bilaashka ah^{(Best Free Cloud Encryption Software)}

Boxcryptor

OS: Windows, macOS, Android, iOS

Algorithm sireed:^{(Encryption Algorithm:)} AES 256-bit iyo RSA 4096-bit

Marka aan galno faylalkayaga kaydinta daruuraha^{(cloud storage)} , waxaan sidoo kale kalsooni badan gelinay adeeg bixiyaha si uu u ilaaliyo. Maaha sida in aan wadno ku fadhino gurigayaga. Sideen ku ogaan karnaa in qof kale uusan galin ama in adeeg bixiyaha daruuraha uusan dhex marin? Anagu ma samayno. Taasi waa meesha uu Boxcryptor ka soo galo. 

Wakiilka Boxcryptor wuxuu ku nool yahay kombayutarkaada wuxuuna sir ah u dhigaa dhammaan xogta loo diro kaydinta daruurahaaga, taasoo ka dhigaysa mid aan akhrin karin qof aan adiga ahayn. Markaad furto faylalkaas, Boxcryptor wuxuu furfuraa^(Boxcryptor) iyaga oo aan wax tallaabo ah oo dheeraad ah la qaadin. Way dhacdaa uun. 

Boxcryptor wuxuu ka shaqeeyaa Windows , macOS, Android , iOS, iyo xitaa gudaha kooxaha Microsoft . Waxay la midoobi doontaa inta badan bixiyeyaasha kaydinta daruuraha sida OneDrive , Google Drive, Dropbox , iCloud , SharePoint , iyo in ka badan. Waa u bilaash shakhsiyaadka inay ku isticmaalaan hal daruur bixiye iyo 2 qalab, taas oo ku filan dadka badankiisa.

Iimayl ammaan ah oo bilaash ah oo ugu wanaagsan oo leh sir^{(Best Free Secure Email with Encryption)}

ProtonMail

OS: Kumbuyuutar kasta oo leh browser-ka shabakada, wuxuu leeyahay apps-ka iOS, iyo Android

Algorithm sireed:^{(Encryption Algorithm: )} PGP

Iimaylkaaga waxaa ilaalinaya ^{(email is protected)}ProtonMail oo wata tignoolajiyada iyo sharciga. ProtonMail ma hayo diiwaanka hawsha ama ma kaydiso ciwaannada IP-ga ama xog kasta oo kale oo loo isticmaali karo in lagugu aqoonsado. Ku dar awoodda sirta PGP ee leh 500MB ee kaydinta bilaashka ah iyo ^(PGP)Protonmail waa xoog aad looga cabsado ammaanka iimaylka. 

Intaa waxaa dheer , Protonmail waxay ku taal Switzerland , oo loo yaqaan shukulaatada, saacadaha, iyo qaar ka mid ah sharciyada qarsoodiga ah ee ugu xooggan adduunka. Taasi waxay ku adkeynaysaa qof kasta inuu ku qasbo ProtonMail inuu sii daayo xog kasta oo ay hayaan, marka la barbar dhigo inta badan wadamada kale.

Kordhinta ama Kordhinta ugu Fiican ee Sireeynta Iimaylka Bilaashka ah^{(Best Free Email Encryption Add-on Or Extension)}

Boostada^{(Mailvelope)(Mailvelope)}

OS: Mid kasta, wuxuu ku shaqeeyaa Chrome , Edge , iyo daalacashada webka Firefox

Algorithm sireed:^{(Encryption Algorithm: )} OpenPGP

Diyaar ma u tahay inaad ka tagto bixiyahaaga iimaylka hadda si aad u hesho qarsoodi? Mailvelope -ka^(Mailvelope) , uma baahnid inaad. Isagoo u shaqaynaya sidii browserka lagu daro^{(browser add-on)} , Mailvelope wuxuu ku siinayaa awood aad ku sirayso iimayladaada ^{(encrypt your emails)}GnuPG waxayna leedahay taageerada calaamada USB. 

Waxaad ku haysan kartaa furahaaga cryptographic USB flash drive. Tani waxay ka hortagtaa qof kasta inuu helo furahaaga ilaa ay awood u leeyihiin inay galaan. Mailvelope waa u bilaash isticmaalka shakhsi ahaaneed, wuxuu ka shaqeeyaa Firefox , Chrome , Edge , iyo daalacashada geesinimada^{(Brave browsers)} leh , iyo dhammaan bixiyayaasha webmail-ka caadiga ah.

Encryptomatic

OS: Muuqaalka ku jira Windows 10 

Algorithm sireed:^{(Encryption Algorithm: )} OpenPGP

Encryptomatic waxay u qalantaa xuso sharaf leh maadaama ay ku siinayso Outlook add-in si ay kuu siiso dhamaadka-ilaa-dhamaadka sirta OpenPGP . Waa u bilaash isticmaalka shakhsi ahaaneed, kuwa aan macaash doonka ahayn, iyo saxafiyiinta madaxa banaan. Haddii aad tahay isticmaale Outlook^{(Outlook user)} aad u jecel , adiga ayaa kugu leh inaad hubiso Encryptomatic . Waxay ka dhigaysa sirta iimaylka mid fudud sida midig-guji.

Sirin Farriinta Bilaashka ah ee ugu Fiican^{(Best Free Messaging Encryption)}

Signal

OS: Android, iOS, Windows, Mac, Linux

Algorithm-ka sirta ah:^{(Encryption Algorithm: )} Hab-maamuuska Signal - wuxuu isku daraa Double Ratchet algorithm , X3DH , Algorithm Sisinta^{(Sesame Algorithm)} , XEdDSA iyo qorshayaasha saxeexa VXEdDSA^{(XEdDSA and VXEdDSA signature schemes)} , AES 256-bit, iyo HMAC-SHA256

In badan ayaa warka ku jirtay beryahan, waxaanan wax uga qornay si loo diro fariimo sugan. Signal Private Messenger waxa ay bixisay dhambaal ilaa-dhammaad sir ah oo bilaash ah^{(free end-to-end encrypted messaging)} muddo sanado ah. Markii hore, Signal - ku waxa uu bixiyay oo kaliya fariin qoraal ah oo sir ah, laakiin waxa uu ku koray in lagu daro cod sir ah iyo wicitaan fiidiyoow ah.

Waxa kale oo jira abka desktop-ka Signal^{(Signal desktop app)} ee Windows , Mac , iyo Linux . Waa qol isgaarsiin si buuxda sir ah oo ay ansixiyeen u doodaha siraha Edward Snowden iyo aasaasaha Twitter Jack Dorsey.

Software-ka ugu fiican ee Browser-ka bilaashka ah^{(Best Free Browser Encryption Software)}

HTTPS Meel kasta^{(HTTPS Everywhere)(HTTPS Everywhere)}

OS: Miis kasta oo isticmaalaya Firefox , Chrome , Edge , Opera , Brave , ama Tor browsers
Android - Firefox, Brave, iyo Tor
iOS - Browser basasha

Algorithm sireed:^{(Encryption Algorithm: )} RSA

Dhammaan is dhexgalka website-ka waxaa lagu gudbin karaa internetka^(Internet) . Inta lagu guda jiro gudbinta, xogta waxaa laga heli karaa meel kasta oo u dhaxaysa kombuyuutarkaaga iyo meesha goobta lagu hayo. Taasi waa sababta ay u jirto riixis noocan oo kale ah ee warshadaha si ay u sameeyaan shabakad kasta oo adeegsata Protocol Secure Transfer (HTTPS)^{(Hypertext Transfer Secure Protocol (HTTPS))} . 

Si kastaba ha ahaatee, goobo badan ayaa laga geli karaa iyada oo loo marayo Hab-maamuuska Wareejinta Hypertext^{(Hypertext Transfer Protocol)} ee caadiga ah ( HTTP ). HTTPS Meel kasta^{(HTTPS Everywhere)} ma sameyso sireed laakiin waxay ku qasbi doontaa browserka inuu isticmaalo nooca HTTPS ee goobta haddii ay ku jirto xogta Xogta Sirta ee DuckDuckGo Smarter^{(Smarter Encryption)} . Taasi waa xog ururin ka badan 12 milyan oo goobood oo la og yahay inay leeyihiin noocyada HTTPS . Haddii qaybo ka mid ah goobtu ay ka yimaaddaan server-yada shabakadda ee^{(web servers)} aan isticmaalin HTTPS , qaybahaas lama qarin doono. HTTPS Meel walba^{(HTTPS Everywhere)} waxaa lagu rakibi karaa daalacashada mareegaha ugu waaweyn waxaana mar hore lagu daray daalacashada Brave iyo Tor .

Shahaadada Nabadgelyada Bilaashka ah ee ugu Fiican ee sirta^{(Best Free Security Certificate For Encryption)}

LetsEncrypt

OS: Mid kasta

Algorithm sireed:^{(Encryption Algorithm: )} RSA

Waqtigan xaadirka ah waxaa jira hal hay'ad shahaado amni oo bilaash ah^{(free security certificate)} , marka LetsEncrypt wuxuu^{(LetsEncrypt)} ku guuleystey si caadi ah. Qalad ha samayn, ^(Make)LetsEncrypt wali waa u qalantaa cinwaanka. Dhammaan shahaadooyinka TLS ee ay bixiso LetsEncrypt waa inay ahaadaan kuwo la xaqiijiyay oo habsocodka si otomaatig ah ayaa loo isticmaali karaa iyadoo la adeegsanayo macmiilka Certbot ACME .

In ka badan 260 milyan oo shabakadood ayaa isticmaalaya shahaadooyin ay fasaxday LetsEncrypt . Raadinta liiska kafaala-qaadayaasha ee LetsEncrypt waxay la mid tahay adigoo dhex maraya tusaha Silicon Valley .

Bilow sirta^{(Start Encrypting)}

Marka la isku daro qaar ka mid ah software-ka sirta ah ee bilaashka ah ee halkan ku taxan, adiga iyo xogtaadu waxa aad noqon doontaan ka ammaan badan inta badan dadka adduunka. Qadar kasta oo qarsoodi ah ayaa ka fiican midna sababtoo ah dambiilayaasha waxay raadiyaan midhaha ugu fudud ee la soo qaado. Isla marka ay la kulmaan sirta waxa fiican inay noqoto faa'iido casiir leh ama ma aha mid u qalma dadaalka. Markaa hadda billow siraynta

The Best Free Encryption Software in 2021

“Information is the commodіty of kings.” Thе quotе is attributed to Τony Robbins, but surely it has been an axіom for as long as we’ve had royalty. Just as wе ѕecure other valuables like money or jewelry, we also need to secure our infоrmation.

The best way to secure information is to make it meaningless to others. We do that through encryption. We don’t have the money businesses and governments have to encrypt software, so we’ll have to look at free encryption software. Just because it’s free, doesn’t mean it’s bad. So we present to you the best free encryption software.

About Encryption

You know that encryption means making data unreadable unless you have the key. What you might not know is the different methods, or algorithms, used to encrypt data.

Encryption Keys

Think of an encryption key as an advanced sort of password. The difference is that encryption keys are often very long and random. You’ll often see them referred to as 128-bit or 256-bit keys, a number evenly divisible by 8. The number refers to how many bits make up the key or the length of the key.

While a password gets you into something, an encryption key is also part of the process of encrypting and decrypting data. What the encrypted data looks like is dependent on the key.

For data that only you will access, symmetric keys work best. It’s called symmetric because the key works on both sides – encryption and decryption. Key length isn’t considered as important with this system as you should be the only one with the key and physical access to the data. The NSA requires 256-bit symmetric keys.

For sending or receiving data with other people, a symmetric key isn’t a good idea since the carrier would be able to decrypt the data. So an asymmetric key system is used. This means there is a public key and a private key. You share the public key with your friends to encrypt messages they send to you. The public key can only be used for encryption. Then you use the private key to decrypt the messages.

Asymmetric keys are normally longer than symmetric keys since the data is going out into the wild, where people can grab it and try to crack it. The longer the key, the less convenient it becomes. The National Institute of Science and Technology recommends 2048-bit keys. 

AES – Advanced Encryption System

The most popular encryption algorithm, AES is the standard symmetric key encryption algorithm. AES encryption, using 128-bit keys, is sufficient for most people, but government agencies tend to use 256-bit or longer keys. This is the encryption you want for stationary data like USB flash drives, or hard drives.

RSA – Rivest Shamir Adleman Encryption

RSA is a public, or asymmetric, key encryption algorithm. The algorithm is used in different security protocols like OpenPGP and SSL certificates used with the HTTPS protocol. You’ll see these protocols using 1024-bit or 2048-bit keys. The latter is more popular. If you’re looking for secured communications, look for terms like RSA, HTTPS, PGP, OpenPGP, and GnuPG.

Best Free Encryption for Drives

Let’s start with the biggest store of information most of us have, the hard drives in our computers. We’re recommending two, depending on what operating system (OS) you use.

FileVault 2

OS: Apple OS X Lion and newer

Encryption Algorithm: XTS-AES 128-bit

Apple has a reputation for being protective of its customers’ data, so it’s no surprise they include FileVault with OS X. FileVault encrypts Mac’s startup drive using your login password as the encryption passphrase. That does make it more difficult to use on multi user Macs. 

The drive has to be unlocked before anyone can use the Mac. If the user has unlock permissions, they’re fine. If they don’t, then someone else with unlock permissions must log in first, and then the other user can log in and work.

VeraCrypt

OS: Windows, OS X, Linux

Encryption Algorithm: AES 256-bit, Camellia, Kuznyechik, Serpent, Twofish, and variants

The open-source VeraCrypt is great for whole volume encryption. It uses on-the-fly encryption, meaning as data is written to the disk, it gets encrypted. At any point in time, everything is encrypted. 

Besides being free and available for Windows, Mac, and Linux, VeraCrypt has the unique feature of creating a hidden encrypted volume inside the normal encrypted volume. 

Why is this important? Imagine that you are compelled to decrypt your drive for some reason. That’s fine, go ahead. All of your really important files are in the hidden encrypted volume. Created properly, the hidden volume won’t be detectable at all, so if it doesn’t appear to exist you can’t be compelled to decrypt it. That’s probably more than most people need, but it is cool.

Best Free Cloud Encryption Software

Boxcryptor

OS: Windows, macOS, Android, iOS

Encryption Algorithm: AES 256-bit and RSA 4096-bit

When we put our files into cloud storage, we also put a lot of trust in the service provider to protect them. It’s not like we have the drive sitting in our house. How do we know someone else hasn’t accessed it or that the cloud service provider isn’t going through it? We don’t. That’s where Boxcryptor comes in. 

The Boxcryptor agent lives on your computer and encrypts all data being sent up to your cloud storage, making it unreadable to anyone but you. When you open those files, Boxcryptor decrypts them without any extra steps. It just happens. 

Boxcryptor works on Windows, macOS, Android, iOS, and even within Microsoft teams. It will integrate with most major cloud storage providers such as OneDrive, Google Drive, Dropbox, iCloud, SharePoint, and more. It’s free for individuals to use with one cloud provider and on 2 devices, which is enough for most people.

Best Free Secure Email with Encryption

ProtonMail

OS: Any computer with a web browser, has apps for iOS, and Android

Encryption Algorithm: PGP

Your email is protected by ProtonMail with technology and law. ProtonMail doesn’t keep logs of the activity or store IP addresses or any other data that may be used to identify you. Add the PGP encryption capability to that with 500MB of free storage and Protonmail is a formidable force for email security. 

On top of that, Protonmail is based in Switzerland, known for chocolate, watches, and some of the strongest privacy laws in the world. That makes it more difficult for anyone to compel ProtonMail to release whatever data they may have, compared to most other countries.

Best Free Email Encryption Add-on Or Extension

Mailvelope

OS: Any, runs in Chrome, Edge, and Firefox web browsers

Encryption Algorithm: OpenPGP

Not ready to leave your current email provider to get encryption? With Mailvelope, you don’t have to. Functioning as a browser add-on, Mailvelope gives you the ability to encrypt your emails with GnuPG and has USB token support. 

You can keep your cryptographic key on a USB flash drive. This prevents anyone from getting your key unless they have physical access to it. Mailvelope is free for personal use, works in Firefox, Chrome, Edge, and Brave browsers, and all common webmail providers.

Encryptomatic

OS: Outlook on Windows 10 

Encryption Algorithm: OpenPGP

Encryptomatic deserves an honorable mention as it provides an Outlook add-in to give you end-to-end OpenPGP encryption. It’s free for personal use, non-profits, and independent journalists. If you’re an avid Outlook user, you owe it to yourself to check out Encryptomatic. It makes email encryption as simple as a right-click.

Best Free Messaging Encryption

Signal

OS: Android, iOS, Windows, Mac, Linux

Encryption Algorithm: Signal Protocol – combines Double Ratchet algorithm, X3DH, Sesame Algorithm, XEdDSA and VXEdDSA signature schemes, AES 256-bit, and HMAC-SHA256

It’s been in the news a lot lately and we’ve written about it for secure messaging. Signal Private Messenger has provided free end-to-end encrypted messaging for years. At first, Signal only offered encrypted text messaging, but has grown to include encrypted voice and video calling.

There’s also a Signal desktop app for Windows, Mac, and Linux. It’s a fully encrypted communications suite endorsed by privacy advocate Edward Snowden and Twitter founder Jack Dorsey.

Best Free Browser Encryption Software

HTTPS Everywhere

OS: Any desktop using Firefox, Chrome, Edge, Opera, Brave, or Tor browsers
Android – Firefox, Brave, and Tor
iOS – Onion Browser

Encryption Algorithm: RSA

All interactions with a website can be transmitted over the Internet. During transmission, the data could be accessed anywhere between your computer and where the site is hosted. That’s why there’s such a push in the industry to make every website use the Hypertext Transfer Secure Protocol (HTTPS). 

However, many sites can be accessed through regular Hypertext Transfer Protocol (HTTP). HTTPS Everywhere doesn’t do any encryption but it will force the browser to use the HTTPS version of a site if it exists in the DuckDuckGo Smarter Encryption dataset. That’s a database of over 12 million sites that are known to have HTTPS versions.  If parts of a site come from web servers not using HTTPS, those parts will not be encrypted. HTTPS Everywhere can be installed in most major web browsers and is already included in the Brave and Tor browsers.

Best Free Security Certificate For Encryption

LetsEncrypt

OS: Any

Encryption Algorithm: RSA

At this time there’s only one free security certificate authority, so LetsEncrypt wins by default. Make no mistake, LetsEncrypt is still worthy of the title. All TLS certificates issued by LetsEncrypt must be domain-verified and the process can be automated using the Certbot ACME client.

Over 260 million websites are using certificates authorized by LetsEncrypt. Looking through the list of sponsors for LetsEncrypt is like looking through a Silicon Valley directory.

Start Encrypting

With some combination of the free encryption software listed here, you and your data will be more secure than most people in the world. Any amount of encryption is better than none because criminals look for the easiest fruit to pick. As soon as they come across encryption it better be a juicy payoff or it’s not worth the effort. So start encrypting now.

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