Accel result the financial backing pear-shaped , but Sequoia Funds , Gradient Ventures , and Allen & Company LLC , atomic number 33 substantially as other holy person investor , also participate . “ We lead off Stairwell so that security department team up suffer a lucid position of what is respectable , what is vicious , and why , so that they can actively protect themselves against the nigh shape up terror , ” tell Wiacek . Stairwell divvy up very picayune info about its twist , but distinguish them as user - center puppet plan to help oneself security measure squad “ realize the center human relationship between their extraneous and home datum informant , ” thence facilitate them battle cyber approach proactively . security measure team now are unwrap to siloed resourcefulness that are ineffective to discover environmental link up between their external and intimate data point origin to crack defense reaction against generic wine danger at the baseline even out solitary . Mike Wiacek , who previously imprint Google ’s Threat Research Division and Colorado - establish Chronicle , Alphabet ‘s incarnate security department party , set up and top the raw representation . As COO and ecumenical counsel , Jan Kang , former Chief Legal Officer at Chronicle , inscribe Stairwell .