According to a source close to the Tel Aviv-based cybersecurity company, the investment round values Cybereason at over $1.5 billion.
The Israeli cybersecurity company notified 25 mobile carriers around the world that they had been hit.
Financial details of the deal were not disclosed, but the price is estimated to be in the tens of millions of dollars.
Tel Aviv has risen five places to replace Paris at the top the Economist Intelligence Unit's Worldwide Cost of Living rankings.
ToHa2 tower will have more office space than the three Azrieli towers put together and parking for only 1,600 vehicles.