Picture

Chester Wisniewski @chetwisniewski

Cybersecurity expert, Field CTO Applied Research at Sophos, frequent speaker and press go to. (he/him) https://t.co/UUIbeg8H4E sophos.com/en-us/contact/… Vancouver, BC Joined February 2009
  • Tweets
    16K
  • Followers
    13K
  • Following
    1K
  • Likes
    6K
Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

4 weeks ago

“The cookie is the universal key that unlocks everything," says Sophos Global Field CTO @chetwisniewski. Learn how cookies pose a threat even with #MFA in place in @CRN @KyleAlspach: bit.ly/3TUcYBt

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

a month ago

Can someone at @Cisco please figure out how to stop spamming me!? I can't unsubscribe as it requires me to login, but I don't and never have had an account!

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

2 months ago

“I would love to see the password die,” @chetwisniewski tells @JudyGreenwalds in @BusInsMagazine. As cybercriminals introduce new threats to your #OnlineSecurity, traditional protection alone won’t cut it. Learn how to keep up with cybercriminals: bit.ly/3PjzS2B

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

2 months ago

More than 75% of incident response cases handled by Sophos X-Ops were for #SmallBusiness customers. While #ransomware continues to make the greatest impact, other threats also pose risks. See what you’re up against ⬇️

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

2 months ago

One recent #HealthcareSecurity cyberattack prevented providers from processing claims, @Reuters reports. Recovery could take upwards of one year, @chetwisniewski says. Learn how preventative strategies boost organizations’ #CyberResilience: reut.rs/4a9DdsW

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

2 months ago

One of the most prolific ransomware groups, #LockBit, has lost its website in a global law enforcement operation. While disrupting operations represents a huge win, @chetwisniewski, global field CTO, warns it is not a complete victory with @Independent. bit.ly/3woXxIq

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

2 months ago

My take on the #LockBit disruption this week is now live. We are seeing more frequent law enforcement action against all sorts of cybercrime groups and I think we need to step back and take stock of what is working and what isn't. #InfoSec

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

3 months ago

Have you received a #CyberThreat recently? You might not know. As bad actors leverage #AI to produce increasingly human attacks at scale, classic red flags like spelling and grammar mistakes are less common, @chetwisniewski tells @globalnews. Learn more: bit.ly/3uhcxHA

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

4 months ago

AI-powered disinformation campaigns now allow adversaries to target 10,000 victims at once. Whether at work or home, vigilance protects individuals and organizations from #CyberThreat. @chetwisniewski shares more with @PatrickKulp in @etechbrew: bit.ly/48akH34

Chester Wisniewski retweeted
chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

10 months ago

Twitter is not getting better, it is only worse by the day. If you haven't decided to try something better yet, you are still welcome to join me at securitycafe.ca, you will find me there as securitycafe.ca/@chetwisniewski

Chester Wisniewski retweeted
SophosMEA Profile Picture

Sophos India, Middle East & Africa @SophosMEA

4 months ago

The new disclosure requirements mandated by the United States' SEC and CISA will work to the advantage of cyber-defenders, as @chetwisniewski writes in this blog-post. Check it out! bit.ly/3GSudfu #CybersecurityAsAService

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

4 months ago

Great holiday reading list. My pick was @kashhill "Your Face Belongs To Us", check them out.

DennisF Profile Picture

Dennis @DennisF

4 months ago

Great holiday reading list. My pick was @kashhill "Your Face Belongs To Us", check them out.

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

5 months ago

For those who want my slides from #BsidesLDN2023 they are here: securitycafe.ca/@chetwisniewsk…

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

5 months ago

I'm having second thoughts. All I get here are crypto scams, romance scams, and what appear to be new followers who clearly can't read. Wife suggested I should just abandon (which I've been doing) to prevent someone impersonating me. Is that a real issue? I think deletion is best

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

6 months ago

I'm having second thoughts. All I get here are crypto scams, romance scams, and what appear to be new followers who clearly can't read. Wife suggested I should just abandon (which I've been doing) to prevent someone impersonating me. Is that a real issue? I think deletion is best

chetwisniewski Profile Picture

Chester Wisniewski @chetwisniewski

6 months ago

Dear followers, I will be shutting down this account permanently on Dec 31, 2023 due to the toxic nature of the dialog here and the current leadership. Please reach out by DM if you have no other way to stay in touch so we can remain in touch.

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

6 months ago

Generic, outdated #phishing training is no match for today’s sophisticated threats. When something doesn’t seem right, @chetwisniewski encourages employees to honor their “Spidey sense” and reach out to #cybersecurity pros. Learn more: bit.ly/49s1Txr

Chester Wisniewski retweeted
ForbesTechCncl Profile Picture

Forbes Technology Council @ForbesTechCncl

6 months ago

20 Best Practices For Using Data Center As A Service Facilities hubs.li/Q028xFJv0 from @TRUSTIFI @Nolan_Garrett @VinitaKRathi @Quobyte @garimakap @ParisWarn @_PrivateAI @ScalaHosting @ArvestBank @lmwalsh_CN @chetwisniewski @TechifyYourIT @sapanparikh18 and more

Chester Wisniewski retweeted
helpnetsecurity Profile Picture

Help Net Security @helpnetsecurity

6 months ago

Healthcare’s road to redefining cybersecurity with modern solutions - helpnetsecurity.com/2023/11/03/hea… - @Sophos @chetwisniewski @FBI - #ransomware #DataEncryption #HealthcareSecurity #CyberSecurity #netsec #security #InfoSecurity #CISO #ITsecurity #CyberSecurityNews #securityNews

Chester Wisniewski retweeted
Sophos Profile Picture

Sophos @Sophos

7 months ago

Celebrate #InternationalPodcastDay with @chetwisniewski, Field CTO at Sophos, and @kbi_media. Discover evolving cyber threats and proactive defense recommendations from our 2023 Ransomware Report. Listen now: bit.ly/48rfB30

Trends for United States

Maxey
110 B posts
NYPD
321 B posts
Columbia
1,11 Mn posts
#GoAvsGo
7.940 posts
Knicks
82,1 B posts
Pacers
25,2 B posts
Sixers
60,4 B posts
Embiid
62 B posts
Pat Bev
5.233 posts
#Preds
2.640 posts
Brunson
34,2 B posts
Rojas
16,2 B posts
Bucks in 7
2.107 posts
Game 6
51,2 B posts
#FearTheDeer
2.613 posts
Giannis
15,3 B posts
Mobley
9.197 posts
Paolo
13,6 B posts
Beasley
3.313 posts
Hamilton Hall
204 B posts

You might like

Award-winning cybersecurity keynote speaker, writer, podcaster | Co-host of
Graham Cluley
@gcluley
113K Followers
#Cybersecurity News, Threats, Insights and Expert Analysis: #SCADA #Infosec #ICS Coverage
SecurityWeek
@SecurityWeek
220K Followers
The only magazine dedicated to the strategy and technology of information security, delivering critical business and technical information for IT professionals.
Infosecurity Magazine
@InfosecurityMag
236K Followers
Security information portal, testing and certification body. Organisers of the annual Virus Bulletin conference. @VirusBulletin@infosec.exchange
Virus Bulletin
@virusbtn
59K Followers
Providing enterprises with market-leading, threat-aware, identity, access and vulnerability management solutions that enable actionable intelligence.
Core Security
@CoreSecurity
66K Followers
The official Twitter feed for all things IT security. A CyberRisk Alliance Resource.
SC Media
@SCMagazine
122K Followers
Duck is a passionate security proselytiser. (That's like an evangelist, but more so!)
Paul Ducklin
@duckblog
11K Followers
We're Tenable, the Exposure Management Company. Cloud Security ☁️ | Operational Technology 👷 | Identity Security 💻 | and more
Tenable
@TenableSecurity
86K Followers
Sharing the latest tech news, tips and in-depth insights, covering AI, cloud, cybersecurity, DevOps and more from the Editorial team at @TechTarget!
TechTarget News
@TechTargetNews
32K Followers
Information security - #SIEM, #DFIR, #EDR formerly at Gartner! Now @GoogleCloud Office of the #CISO; host of @CloudSecPodcast https://t.co/VpKtfz8nXG
Dr. Anton Chuvakin
@anton_chuvakin
40K Followers
A task force composed of our SophosLabs, SecOps, and SophosAI teams working together towards one goal: protecting our customers.
Sophos X-Ops
@SophosXOps
75K Followers
Storyteller, wanderer, comic, historian, world’s oldest millennial. I used to do stuff, now I do other stuff. @jack_daniel@mastodon.social
Jack Daniel is over t..
@jack_daniel
62K Followers
Venture capitalist (Grossman Ventures https://t.co/CmujDRLWNV), internet protector and industry creator. Founded WhiteHat Security & Bit Discovery. BJJ Black Belt.
Jeremiah Grossman
@jeremiahg
65K Followers
Our solutions protect the world’s leading organizations against cyber attacks. Tripwire is proud to be part of Fortra’s comprehensive cybersecurity portfolio.
Tripwire
@TripwireInc
50K Followers
I'm just this guy, you know! @ChrisJohnRiley@infosec.exchange on Mastodon - Views my own - Security dino 🦕 - Purveyor of fine whisky 🥃 & fresh bull 💩
ChrisJohnRiley 🌐
@ChrisJohnRiley
20K Followers