Limor Kessem

Principal Consultant, X-Force Cyber Crisis Management, IBM

Limor Kessem is a Principal Consultant with X-Force’s Cyber Crisis Management, helping organizations prepare for and face crisis-level cyber-attacks. Previously Executive Security Advisor at IBM Security. She is a widely sought-after security expert, speaker and author and a strong advocate for women in information security. At IBM, she leverages her over 13 years of cyber risk and security expertise to provide counsel to CSOs, CISOs, and CIOs at the world’s largest corporations and governments. In addition to her work with IBM, Limor is an active RSA Conference steering committee member, ITSP Magazine podcast host, Tel Aviv University Cyber Week speaker, a founding member of the FraudCon conference, and volunteers in the local chapters of BSides and OWASP. You can follow Limor’s cybersecurity feed on Twitter @iCyberFighter.

Artificial Intelligence July 16, 2024

How prepared are you for your first gen AI disruption?

6 min read - Generative artificial intelligence (gen AI) and its use by businesses to enhance operations and profits are the focus of innovation in virtually every sector and industry. Gartner predicts that global spending on AI software will surge from $124 billion in…

Data Protection October 16, 2023

Healthcare breach costs soar requiring new thinking for safeguarding data

6 min read - In the digital age, data is often referred to as the new oil. Its value lies in the insights it can yield, particularly when it comes to healthcare, where data can help detect diseases, predict patient outcomes and help health…

Malware August 24, 2022

The Ransomware Playbook Mistakes That Can Cost You Millions

8 min read - If there is one type of cyberattack that can drain the color from any security leader’s face, it’s ransomware. A crippling, disruptive, and expensive attack to recover from, with final costs rarely being easy to foretell. Already a prevalent threat,…

Healthcare August 17, 2022

Healthcare breaches costliest for 12 years running, hit new $10.1M record high

8 min read - IBM Security and the Ponemon institute release an annual report known as one the most significant industry benchmarks. The Cost of a Data Breach analysis examines real-world breaches in great detail, producing insights into the factors that impact the cost…

Security Services January 31, 2022

Top-ranking banking trojan Ramnit out to steal payment card data

4 min read - Shopping online is an increasingly popular endeavor, and it has accelerated since the COVID-19 pandemic. Online sales during the 2021 holiday season rose nearly 9% to a record $204.5 billion. Mastercard says that shopping jumped 8.5% this year compared to…

Malware December 1, 2021

X-Force Threat Intelligence: Monthly malware roundup

4 min read - Today’s reality means that organizations need to be constantly vigilant against security breaches. Having a robust incident response plan in place is vital. IBM Security X-Force is a team dedicated to delivering the latest threat intelligence, research and analysis reports…

Incident Response November 1, 2021

From Thanos to Prometheus: When ransomware encryption goes wrong

7 min read - IBM Security X-Force researchers have recently reverse-engineered Prometheus ransomware samples as part of ongoing incident response operations. X-Force has found that samples that infected organizational networks featured flawed encryption. This allowed our team to develop a fast-acting decryptor and help…

Government October 25, 2021

Nobelium espionage campaign persists, service providers in crosshairs

2 min read - In an advisory released on October 24, Microsoft announced ongoing campaigns it has attributed to the Nobelium state-sponsored threat group. IBM X-Force tracks this group as Hive099. If the name sounds familiar, that’s because it is the same group that…

Advanced Threats October 6, 2021

Phishing Attacks Are Top Cyber Crime Threat, Easier Than Ever to Create and Deploy

4 min read - Why is one of cyber crime’s oldest threats still going strong? The Anti-Phishing Working Group (APWG) reports that January 2021 marked an unprecedented high in the APWG’s records, with over 245,771 phishing attacks in one month. IBM X-Force’s 2021 Threat…

X-Force July 28, 2021

Data breach costs at record high, zero trust, AI and automation help reduce costs

6 min read - Data breaches have been growing in numbers and scale, taking longer to detect and contain. The average total cost of a data breach is at its highest of 17 years, at $4.24 million. The year over year increase of 10%…

Malware July 7, 2021

REvil Ransomware Gang Launches Major Supply Chain Attack Through Kaseya

6 min read - On July 2, 2021, Kaseya customers were notified of a compromise affecting the company’s VSA product in a way that poisoned the product’s update mechanism with malicious code. VSA is a remote monitoring and management tool for networks and endpoints…

Malware June 29, 2021

A Fly on ShellBot’s Wall: The Risk of Publicly Available Cryptocurrency Miners

8 min read - IBM Security X-Force researchers studied the botnet activity of a malware variant that is used by cyber crime groups to illegally mine cryptocurrency. Examining two ShellBot botnets that appeared in attacks honeypots caught, the X-Force team was able to infect…

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Topics

Limor Kessem

How prepared are you for your first gen AI disruption?

Healthcare breach costs soar requiring new thinking for safeguarding data

The Ransomware Playbook Mistakes That Can Cost You Millions

Healthcare breaches costliest for 12 years running, hit new $10.1M record high

Top-ranking banking trojan Ramnit out to steal payment card data

X-Force Threat Intelligence: Monthly malware roundup

From Thanos to Prometheus: When ransomware encryption goes wrong

Nobelium espionage campaign persists, service providers in crosshairs

Phishing Attacks Are Top Cyber Crime Threat, Easier Than Ever to Create and Deploy

Data breach costs at record high, zero trust, AI and automation help reduce costs

REvil Ransomware Gang Launches Major Supply Chain Attack Through Kaseya

A Fly on ShellBot’s Wall: The Risk of Publicly Available Cryptocurrency Miners

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Topic updates